aéronefs
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Kawanishi Baika | Concept | 15 | 2.7 |
| Kawanishi E7k | Concept | 21 | 1.4 |
| Kawanishi H3k | Concept | 10 | 0.5 |
| Kawanishi J6k Jinpū | Concept | 13 | 0.0 |
| Kawasaki C-1 | Concept | 20 | 6.2 |
| Kawasaki C-2 | Concept | 22 | 7.2 |
| Kawasaki Ki-10 | Concept | 22 | 1.2 |
| Kawasaki Ki-100 | Concept | 28 | 9.1 |
| Kawasaki Ki-32 | Concept | 19 | 2.1 |
| Kawasaki Ki-45 | Concept | 28 | 6.6 |
| Kawasaki Ki-56 | Concept | 20 | 1.3 |
| Kawasaki Ki-60 | Concept | 16 | 0.0 |
| Kawasaki Ki-61 Hien | Concept | 29 | 13.7 |
| Kawasaki Ki-64 | Machine | 15 | 0.6 |
| Kawasaki Ki-96 | Machine | 15 | 0.7 |
| Kawasaki Oh-1 | Concept | 21 | 9.5 |
| Kawasaki P-1 | Concept | 21 | 1.0 |
| Kawasaki Type 88 | Machine | 13 | 1.1 |
| Kayaba Ka-1 | Concept | 14 | 0.5 |
| Kazan Ansat | Concept | 19 | 4.4 |
| Kc-135 Stratotanker | Concept | 37 | 74.0 |
| Kc-767 | Concept | 23 | 8.0 |
| Kellett Kd-1 | Concept | 10 | 0.4 |
| Kellett R-8 | Concept | 11 | 1.5 |
| Kettering Bug | Machine | 12 | 3.2 |
| Keystone B-4 | Machine | 8 | 0.5 |
| Keystone B-5 | Machine | 7 | 0.4 |
| Keystone Lb-6 | Concept | 8 | 0.8 |
| Keystone Xlb-3 | Machine | 7 | 0.7 |
| Kfir | Concept | 35 | 41.9 |
| Khai-1 | Concept | 9 | 0.3 |
| Khai-5 | Concept | 10 | 1.1 |
| Ki-102 | Concept | 22 | 3.2 |
| Ki-15 | Concept | 20 | 2.9 |
| Ki-21 | Concept | 22 | 6.0 |
| Ki-27 | Concept | 31 | 5.6 |
| Ki-44 Shōki | Concept | 26 | 6.0 |
| Ki-46 | Concept | 20 | 3.9 |
| Ki-48 | Concept | 23 | 1.9 |
| Ki-49 Donryu | Concept | 23 | 3.8 |
| Ki-54 | Concept | 14 | 0.4 |
| Ki-57 | Concept | 14 | 2.1 |
| Ki-83 | Concept | 16 | 4.6 |
| Ki-84 Hayate | Concept | 31 | 21.0 |
| Ki-93 | Concept | 8 | 0.0 |
| Kikka | Concept | 21 | 7.7 |
| Kj-2000 | Concept | 19 | 2.3 |
| Kj-500 | Concept | 13 | 3.3 |
| Klemm Kl 105 | Concept | 4 | 0.1 |
| Klemm Kl 31 | Concept | 8 | 0.1 |