| Alien Invader | 1 | Zetan Invader |
| Alien Invader | 1 | Zetan Invader |
| Alien Invader | 1 | Zetan Invader |
| Aloe | 17 | Assaultron |
| Alpha Albino Mongrel | 40 | Wild Mongrel |
| Alpha Deathclaw | 31 | Deathclaw |
| Alpha Deathclaw | 100 | Deathclaw |
| Alpha Deathclaw | 31 | Deathclaw |
| Alpha Feral Mongrel | 30 | Wild Mongrel |
| Alpha Fog Crawler | 100 | Fog Crawler |
| Alpha Glowing Mongrel | 60 | Wild Mongrel |
| Alpha Grafton Monster | 100 | Grafton Monster |
| Alpha Hermit Crab | 31 | Hermit Crab |
| Alpha Rabid Mongrel | 50 | Wild Mongrel |
| Alpha Sheepsquatch | 100 | Sheepsquatch |
| Alpha Thrasher | 10 | RadTurkey |
| Alpha Vicious Mongrel | 20 | Wild Mongrel |
| Alpha Wild Mongrel | 12 | Wild Mongrel |
| Alpha Wolf | 50 | Wolf |
| Alt Feral Ghoul Glowing Sea | 7 | Feral Ghoul |
| Alt Feral Ghoul Glowing Sea | 7 | Feral Ghoul |
| Alyssa | 66 | Human |
| Amadi the Piranha | 100 | Human |
| Amelia | 1 | Human |
| Amy Kerry's Corpse | 6 | Human |
| Ancient Behemoth | 80 | Behemoth |
| Andrew Rhodes | 1 | Human |
| Andrew Rhodes | 6 | Human |
| Angelique Salavar | 1 | Human |
| Angler | 15 | Angler |
| Angry Mole Miner | 95 | Mole Miner |
| Angry Mole Miner | 95 | Mole Miner |
| Angry Mole Rat Landminer | 95 | Mole Rat |
| Anim Test | 5 | Protectron |
| Anim Test | 5 | Protectron |
| AnimTest | 6 | Human |
| AnimTest | 6 | Human |
| AnimTest | 6 | Human |
| AnimTest | 6 | Human |
| AnimTest | 6 | Human |
| AnimTest PA | 6 | Human |
| Anna Barone | 66 | Human |
| Anna The Nuka-Queen | 100 | Human |
| Anne | 6 | Human |
| Annie | 1 | Human |
| Annihilator Sentry Bot | 50 | SentryBot |
| Annihilator Sentry Bot Mk.II | 0.1 | SentryBot |
| Annihilator Sentry Bot Mk.II | 0.1 | SentryBot |
| Annihilator Sentry Bot Mk.II | 60 | SentryBot |
| Annihilator Sentry Bot Mk.II | 70 | SentryBot |