Nakajima (Japan) — Nakajima Hikoki KK (Nakajima Aircraft Company)
- Nakajima Ki-43 Hayabusa (Oscar): Japanese WWII single-engine single-seat fighter
NAMC (China) — Hongdu Aviation Industry (Group) Corporation
- Nanchang CJ-6: Chinese single-engine two-seat basic trainer monoplane
- Nanchang CJ-6A: Chinese single-engine two-seat basic trainer monoplane
- Nanchang Q-5 Fantan: Chinese-built single-engine single-seat supersonic ground-attack jet aircraft
NAF (USA) — The Naval Aircraft Factory (NAF)
- Naval Aircraft Factory N3N-3 Canary Yellow Peril: USN single-engine two-seat biplane trainer
Nicholas-Beazley (USA)
- Nicholas Beazley NB-8G: Single-engine two-seat parasol light monoplane
Nieuport (France)
- Nieuport 2N: French single-engine single-seat pioneer monoplane
- Nieuport 10/83E: World War I French single-engine single-seat general purpose biplane
- Nieuport XI Bébé: French WWI single-engine single-seat biplane fighter
- Nieuport 17: French WWI single-engine single-seat biplane fighter
- Nieuport N.28C-1: French WWI single-engine single-seat biplane fighter
Noorduyn (Canada)
- Noorduyn Norseman Mk.IV: Canadian single-engine high-wing utility cabin monoplane
- Noorduyn Norseman Mk.V (C-64A, UC-64A): Canadian single-engine high-wing utility cabin monoplane
- Noorduyn Norseman Mk.VI: Canadian single-engine high-wing utility cabin monoplane
Nord Aviation (France)
- Nord 1101 Noralpha: French built Messerschmitt Bf.108 single-engine four-seat cabin monoplane
North American Aviation (USA)
- North American BT-14 Yale: Single-engine two-seat low-wing monoplane basic trainer
- North American AT-6 Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American AT-6A Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American AT-6C Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American AT-6D Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American XAT-6E Texan Ranger: Ranger V770-9 single-engine two-seat low-wing advanced trainer monoplane
- North American T-6G Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American SNJ-4 Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American SNJ-5 Texan: Single-engine two-seat low-wing advanced trainer monoplane
- North American SNJ-5C Texan: Single-engine two-seat low-wing advanced deck landing trainer monoplane
- North American Harvard Mk.II: Single-engine two-seat basic monoplane trainer
- North American Harvard Mk.IIA: Single-engine two-seat low-wing advanced trainer monoplane
- North American NA-64 Yale: Single-engine two-seat low-wing monoplane advanced trainer
- North American T-28A Trojan: USAF single-engine two-seat low-wing advanced trainer
- North American T-28B Trojan: USN single-engine two-seat low-wing advanced trainer
- North American T-28C Trojan: USN single-engine two-seat low-wing advanced trainer
- North American T2J-1 Buckeye: USN carrier-borne twin-engine two-seat intermediate jet training aircraft
- North American T-2C Buckeye: USN carrier-borne twin-engine two-seat intermediate jet training aircraft
- North American T-39A Sabreliner: Twin engine light business jet modified as a cargo and personnel transport aircraft
- North American NA-50 Torito: Single-engine single-seat low-wing monoplane export fighter (Peru)
- North American A-36A Apache: USAAF single-engine single-seat ground-attack/dive bomber
- General Aircraft/North American XO-47 (GA-15): USAAC civil prototype single-engine three-crew mid-wing observation monoplane
- North American O-47A (NA-25, NA-60): USAAC single-engine three-crew mid-wing observation monoplane
- North American O-47B (NA-51): USAAC single-engine three-crew mid-wing observation monoplane
- North American NA-73X:: Prototype, civil NX-19998, single-engine, single-seat, low-wing monoplane fighter.
- North American Mustang I (NA-73):: RAF single-engine, single-seat, low-wing monoplane fighter.
- North American Mustang XP-51 (NA-73):: USAAC, experimental, single-engine, single-seat, low-wing monoplane fighter.
- North American Mustang Ia (NA-83, NA-91): RAF, single-engine, single-seat, low-wing monoplane fighter.
- North American P-51 Mustang (NA-91): USAAC, single-engine, single-seat, low-wing monoplane fighter
- North American P-51 Mustang (NA-91): USAAC, single-engine, single-seat, low-wing monoplane fighter
- North American A-36 Apache (NA-97): USAAC, single-engine, single-seat, low-wing monoplane attack fighter.
- North American P-51A Mustang (NA-99): USAAC, single-engine, single-seat, low-wing monoplane fighter.
- North American XP-51B Mustang (NA-101): USAAC, single-engine, single-seat, low-wing monoplane fighter.
- North American P-51B Mustang (NA-102, NA-104): USAAC, single-engine, single-seat, low-wing monoplane fighter.
- North American P-51C Mustang (NA-103, NA-107, NA-111): USAAC, single-engine, single-seat, low-wing monoplane, long-range escort fighter.
- North American P-51D Mustang (NA-106, NA-109, NA-111, NA-122, NA-124, NA-127, NA-138): USAAC, single-engine, single-seat, low-wing monoplane long-range escort fighter.
- North American P-51E Mustang: Project Canceled.
- North American XP-51F Mustang (NA-105): USAAC, single-engine, single-seat, low-wing monoplane long-range escort fighter. 3 aircraft built.
- North American XP-51G Mustang (NA-105A): USAAC, single-engine, single-seat, low-wing monoplane long-range escort fighter. 2 aircraft built.
- North American P-51H Mustang (NA-117, NA-126, NA-139): USAAC, single-engine, single-seat, low-wing monoplane long-range escort fighter. NA-139 2,500 aircraft canceled.
- North AmerI likeican XP-51J Mustang (NA-105B): USAAC, single engine, single-seat, low-wing monoplane long-range escort fighter. 2 built.
- North American XP-51J Mustang (NA-105B): USAAC, single engine, single-seat, low-wing monoplane long-range escort fighter. 2 built.
- North American XP-51J Mustang (NA-105B): USAAC, single engine, single-seat, low-wing monoplane long-range escort fighter. 2 built.
- North American P-51K Mustang (NA-111): USAAC, single engine, single-seat, low-wing monoplane long-range escort fighter. 1500 built.
- North American P-51L Mustang (NA-129): USAAC, canceled version of P-51H.
- North American P-51M Mustang (NA-124): USAAC, single engine, single-seat, low-wing monoplane long-range escort fighter. 1 built.
- North American XP-82 Twin Mustang (NA-120): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 2 built.
- North American XP-82 Twin Mustang (NA-120): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 1 XP-82 modified.
- North American P-82B Twin Mustang (NA-123): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 18 built.
- North American P-82C Twin Mustang (NA-123): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 1 built.
- North American P-8CD Twin Mustang (NA-123): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 1 built.
- North American P-82E Twin Mustang (NA-149): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 100 built.
- North American P-82F Twin Mustang (NA-144): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 91 built.
- North American P-82G Twin Mustang (NA-150): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 45 built.
- North American P-82G Twin Mustang (NA-150): USAF twin-engine two-pilot twin-fuselage long-range escort night fighter. 14 built.
- North American XP-86 Sabre (NA-140): USAF Prototype Single-Engine Single-Seat Swept Wing Jet Fighter
- North American YF-86A Sabre (NA-151): USAF First Prototype Single-Engine Single-Seat Swept Wing Jet Fighter
- North American F-86A Sabre (NA-151, NA-161): USAF Single-Engine Single-Seat Swept Wing Jet Fighter
- North American DF-86A Sabre (NA-151, NA-161): USAF Single-Engine Single-Seat Swept Wing Jet Fighter/Drone Director
- North American RF-86A Sabre (NA-151, NA-161): USAF Single-Engine Single-Seat Swept Wing Jet/Fighter Reconnaissance Aircraft
- North American F-86A Sabre (NA-151, NA-161): USAF Single-Engine Single-Seat Swept Wing Jet Fighter
- North American F-86B Sabre (NA-152): USAF Korean War era single-engine single-seat swept-wing jet fighter
- North American F-86D Sabre Dog: USAF single-engine single-seat all-weather swept-wing jet interceptor
- North American F-86F Sabre: USAF single-engine single-seat all-weather swept-wing jet interceptor.
- North American QF-86F Sabre: USAF single-engine target drone conversion
- North American F-86H Sabre: USAF single-engine single-seat swept-wing jet fighter
- North American F-86L Sabre: USAF single-engine single-seat swept-wing jet fighter
- North American YF-100A Super Sabre: Prototype, Model NA-180, two aircraft built.
- North American YQF-100 Super Sabre: Nine test unmanned drone version aircraft.
- North American F-100A Super Sabre: Single-seat day fighter. 203 built. NA-192
- North American RF-100A Slick Chick: Six F-100A aircraft modified for photo reconnaissance in 1954.
- North American F-100B Super Sabre: Became the YF-107 Ultra Sabre.
- North American F-100BI Super Sabre: Proposed interceptor version of F-100B, did not advance beyond mock-up.
- North American F-100C Super Sabre: Additional fuel tanks in wings, fighter-bomber capability, probe-and-drogue refueling capability, uprated J57-P-21 engine on late production aircraft.
- North American TF-100C Super Sabre: One F-100C converted into a two-seat training aircraft.
- North American F-100D Super Sabre: Single-seat fighter-bomber, more advanced avionics, larger wing and tail fin, landing flaps.
- North American QF-100D Super Sabre: Unmanned radio controlled FSAT (Full Scale Aerial Target) target drone conversion.
- North American F-100F Super Sabre: Two-seat training version, armament decreased from four to two cannon.
- North American DF-100F Super Sabre: One F-100F used as a drone director.
- North American NF-100F Super Sabre: Three F-100F's used for test purposes.
- North American QF-100F Super Sabre: Unmanned radio controlled FSAT (Full Scale Aerial Target) target drone conversion.
- North American F-100J Super Sabre —Unbuilt all-weather export version for Japan.
- North American F-100L Super Sabre —Unbuilt variant with J57-P-55 engine.
- North American F-100N Super Sabre: Unbuilt variant with simplified avionics.
- North American F-100S Super Sabre: Proposed French-built F-100F with Rolls-Royce Spey turbofan engine.
- North American YF-107A Ultra Sabre: USAF single-engine prototype tactile fighter-bomber.
- North American XF-108 Rapier: USAF proposed long-range high-speed interceptor aircraft.
- North American FJ-1 Fury: USN single-engine single-seat carrier-borne straight-wing jet fighter
- North American FJ-2 Fury: USN single-engine single-seat carrier-borne swept-wing jet fighter
- North American FJ-3 Fury: USN carried-borne single-engine single-seat swept-wing jet fighter
- North American FJ-4 Fury: USN carried-borne single-engine single-seat swept-wing jet fighter
- North American B-25C Mitchell: WWII USAAF twin-engine medium bomber
- North American B-25D Mitchell: WWII USAAF twin-engine medium bomber
- North American B-25H Mitchell: WWII USAAF twin-engine medium bomber
- North American B-25J Mitchell: WWII USAAF twin-engine medium bomber
- North American TB-25J Mitchell: WWII USAAF twin-engine medium trainer/bomber
- North American PBJ-1C Mitchell: WWII twin-engine medium bomber
- North American PBJ-1D Mitchell: WWII twin-engine medium bomber
- North American PBJ-1H Mitchell: WWII twin-engine medium bomber
- North American PBJ-1J Mitchell: WWII twin-engine medium bomber
- North American Mitchell II: WWII twin-engine medium bomber
- North American Mitchell III: WWII twin-engine medium bomber
- North American B-45C Tornado (NA-153): USAF Twin-nacelle/four-engine straight-wing jet bomber
- North American RA-5C Vigilante (NA-316): USN carrier-based twin-engine supersonic bomber
- North American X-15A (NA-240): NASA Single-seat single-rocket powered hypersonic research aircraft
- North American XB-70A Valkyrie (NA-278): USAF six-engine two-seat delta-wing Mach 3 bomber
- North American OV-10A Bronco (NA-300/305/321): Twin-turboprop two-seat light attack, FAC and observation aircraft
- North American Navion (NA-145): Four-seat single-engine low-wing cabin monoplane
- North American 500S Shrike Commander: Twin-engine high-wing light business monoplane
(Northrop) Avion Corporation (USA) — Knudsen (Jack) Northrop; Avion Corporation, Burbank, California (1928)
- Avion Experimental No.1: Single-engine 2-seat open cockpit twin-boom experimental land monoplane
Northrop (USA) — Northrop Aircraft Corporation, Division of United Aircraft and Transportation Corporation (1929)
- Northrop Alpha 2: Single-engine seven-seat closed cabin land monoplane
- Northrop Alpha 3: Single-engine one/three-place (two-passenger plus cargo) closed-cabin land monoplane
- Northrop Alpha 4: Single-engine one-place open-cockpit all-metal cargo land monoplane
- Northrop Alpha 4A: Single-engine one-place open-cockpit all-metal cargo land monoplane
- Northrop YC-19 & Y1C-19: Single-engine five-place Military VIP transport monoplane
- Northrop Beta 3: Two-seat all-metal low-wing sport monoplane
- Northrop Beta 3D: Single-engine single-seat all-metal low-wing sport monoplane
Northrop (USA) — Northrop Corporation, Partnership with Douglas Aircraft, El Segundo, California, 1932 (USA)
- Northrop Gamma 1E: Single-engine two-seat all-metal low-wing mail monoplane
- Northrop Gamma 2A Texaco Sky Chief: Single-engine one-seat all-metal low-wing sport monoplane
- Northrop Gamma 2B: Single-engine two-seat all-metal low-wing monoplane for Antarctic exploration
- Northrop Gamma 2C (YA-13): Single-engine two-seat all-metal low-wing light attack bomber monoplane
- Northrop Gamma 2D: Single-engine one-place closed cabin low-wing landplane monoplane
- Northrop Gamma 2E: Single-engine two-seat low-wing bomber monoplane
- Northrop Gamma 2EC: Single-engine two-seat low-wing bomber monoplane
- Northrop Gamma 2ED: Single-engine two-seat low-wing bomber monoplane
- Northrop Gamma 2ED-C: Single-engine two-seat low-wing bomber monoplane
- Northrop Gamma 2F (XA-16): Single-engine two-seat low-wing bomber monoplane
- Northrop Gamma 2G: Single-engine two-place closed cabin landplane monoplane racer
- Northrop Gamma 2H: Single-engine two-place closed cabin low-wing landplane racing monoplane
- Northrop Gamma 2J2: Single-engine three-crew low-wing basic/advanced trainer monoplane
- Northrop Gamma 2L: Single-engine two-crew low-wing flying-test-bed monoplane
- Northrop Gamma 3A: Single-engine single-seat low-wing pursuit monoplane
- Northrop Gamma 5A: Single-engine two-seat low-wing light attack bomber monoplane
- Northrop Gamma 5B: Single-engine two-crew low-wing light attack bomber monoplane
- Northrop Gamma 5D: Single-engine two-crew low-wing light attack bomber monoplane
- Northrop YA-13: Single-engine two-seat all-metal low-wing light attack bomber monoplane
- Northrop XA-16: Single-engine two-seat all-metal low-wing light attack bomber monoplane
- Northrop XP-948: Single-engine single-seat low-wing pursuit monoplane
- Northrop XFT-1: Single-engine single-seat low-wing USN experimental fighter
- Northrop XFT-2: Single-engine single-seat low-wing USN experimental fighter
- Northrop YA-13:
- Northrop XA-16:
- Northrop Gamma 5A:
- Northrop Gamma 5B:
- Northrop Gamma 5D:
- Northrop Delta 1A:
- Northrop Delta 1B:
- Northrop Delta 1C:
- Northrop Delta 1D-1:
- Northrop Delta 1D-2:
- Northrop Delta 1D-3:
- Northrop Delta 1D-4:
- Northrop Delta 1D-5:
- Northrop Delta 1D-6:
- Northrop RT-1:
- Northrop Delta 1D-8:
- Northrop Delta 1E:
- Northrop Delta I:
- Northrop Delta II:
- Northrop Delta III:
- Northrop Delta 1D-8:
- Northrop XFT-1:
- Northrop XFT-2:
- Northrop 3A:
- Northrop A-17:
- Northrop A-17A:
- Northrop A-17AS:
Northrop (USA) — El Segundo Division of Douglas Aircraft, El Segundo, California (1938)
- (Douglas) Northrop 8A-1:
- (Douglas) Northrop 8A-2:
- (Douglas) Northrop 8A-3P:
- (Douglas) Northrop 8A-3N:
- (Douglas) Northrop 8A-4:
- (Douglas) Northrop 8A-5N:
- Northrop XBT-1:
- Northrop BT-1:
- (Douglas) Northrop DB-19 (Japanese Navy DXD1):
- Northrop XBT-2:
- Northrop BT-2 (SDB-1 & SBD-2):
- Northrop 5A:
- Northrop 5B:
- Northrop 5D:
Northrop — Northrop Aircraft, Inc., Hawthorne, California (1939)
- Northrop N-1M Jeep:
- Northrop N-3:
- Northrop N-3PB:
- Northrop N-4:
- (Northrop) Vought OS2U-1 (Full-Span Zap Flaps):
- (Northrop) Vultee A-35 Vengeance (V-72):
- Northrop N-9M Flying Scale Model:
- Northrop XP-56 Black Bullet:
- Northrop XP-61 Black Widow:
- Northrop YP-61 Black Widow:
- Northrop P-61A Black Widow:
- Northrop P-61B Black Widow:
- Northrop P-61C Black Widow:
- Northrop XP-61D Black Widow:
- Northrop XP-61E Black Widow:
- Northrop XP-61F Black Widow:
- Northrop P-61G Black Widow:
- Northrop F2T-1 Black Widow:
- Northrop MX-324 Rocket Wing (Glider Version):
- Northrop MX-334 Rocket Wing:
- Northrop JB-1 Power Bomb (Bat):
- Northrop JB-1A (MX-543) Power Bomb:
- Northrop JB-10 (MX-544) Jet Bomb:
- Northrop XP-79B (MX-365) Flying Ram:
- Northrop XB-35 Flying Wing Bomber:
- Northrop YB-35 Flying Wing Bomber:
- Northrop B-35A Flying Wing Bomber:
- Northrop RB-35B Flying Wing Bomber:
- Northrop EB-35B Flying Wing Bomber:
- Northrop YB-35B Flying Wing Bomber:
- Northrop YB-49 Flying Wing Bomber:
- Northrop YB-49A Flying Wing Bomber:
- Northrop YRB-49A Flying Wing Bomber:
- Northrop N-31A Flying Wing Bomber (Medium Design):
- Northrop XF-15 Reporter:
- Northrop XF-15A Reporter:
- Northrop F-15A Reporter:
- Northrop N-23 Pioneer:
- Northrop C-125A Raider:
- Northrop C-125B Raider:
- Northrop N-32A Assault Transport (floats):
- Northrop N-25 Strategic Missile:
- Northrop SM-62 Snark:
- Northrop X-4 Bantam:
- Northrop N-60 (Anti-Sub Wafare Design):
- Northrop N-63 (Navy Convoy Fighter Design):
- Northrop XP(XF)-89 Scorpion:
- Northrop YF-89A Scorpion:
- Northrop F-89A Scorpion:
- Northrop DF-89A Scorpion:
- Northrop F-89B Scorpion:
- Northrop DF-89B Scorpion:
- Northrop F-89C Scorpion:
- Northrop YF-89D Scorpion:
- Northrop F-89D Scorpion:
- Northrop YF-89E Scorpion:
- Northrop F-89H Scorpion:
- Northrop F-89J Scorpion:
- Northrop N-102 Fang:
- Northrop N-156T Trainer:
- Northrop YT-38 Talon:
- Northrop T-38A Talon:
- Northrop T-38A(N) Talon:
- Northrop AT-38A Talon:
- Northrop DT-38A Talon:
- Northrop QT-38A Talon:
- Northrop AT-38B Talon:
- Northrop T-38C Talon:
- Northrop T-38M ARI Talon:
- Northrop N-156F Freedom Fighter:
- Northrop X-21A LFC:
- Northrop XF-5A Freedom Fighter:
- Northrop YF-5A Freedom Fighter:
- Northrop F-5A Freedom Fighter:
- Northrop F-5A(G):
- Northrop F-5:
- Northrop F-5B Freedom Fighter: