Mobile Suit Gundam G40 is a 2020 original net animation (ONA) by Sunrise and LDH made to promote the HG 1/144 Gundam G40 (Industrial Design Ver.), a collaboration between Ken Okuyama Design and the Bandai Hobby Center as part of the 40th anniversary celebration of the Gundam franchise. It depicts an abridged retelling of the One Year War, re-imagining iconic scenes from Mobile Suit Gundam with new designs.
| Directing | Kou Matsuo | Director |
| Visual Effects | Ken Okuyama | Mechanical Designer |
| Writing | Hiroyuki Hoshiyama | Writer |
