| Oeyama - Japanese Staff Osaka 3-B former 12-B |
| Name | Rank | Service Period | Position |
| Kosaku Hazama | 1st Lt | 20 Aug 43 - 2 Sep 45 | Camp Commandant Tried for War Crimes |
| Shigeo Akamatsu | 1st Lt | 28 Nov 44 - 15 Aug 45 | exceptional cruel |
| Tomoya Kawakita | "Meatball" | Convicted of treason | Not on list supplied by Japanese |
| Tadakichi Nakayama | Sgt. M.C. | 28 Nov 44 - 3 Apr 45 | Tried for War Crimes |
| Tokuichi Ichiba | Supply Sgt | 28 Nov 44 - 10 Aug 45 | |
| Yoichiro Torashita | Superior Pvt | 16 Apr 44 - 17 Jun 45 | |
| Tsunetoshi Morita | Koin | 1 Mar 45 - 13 Sep 45 | Guard |
| Katsunosuke Murashima | Yonin | 20 Aug 43 - 15 Aug 45 | Guard |
| Kiichi Nakatuni | Yonin | 14 Apr 45 - 15 Aug 45 | Labour |
| Kuniji Ueno | Yonin | 10 Aug 45 - 15 Aug 45 | Guard |
| Nisuke Kotani | Yonin | 10 Aug 45 - 15 Aug 45 | Guard |
| Toshiro Shirakaru | Yonin | 24 Apr 45 - 15 Aug 45 | Guard |
| Jukichi Hosoi | Yonin | 1 Sep 44 - 15 Aug 45 | Guard |
| Kumajiro Kobayashi | Yonin | 1 Mar 44 - 15 Aug 45 | Guard |
| Kiyoshi Tanabe | Yonin | 20 Aug 43 - 15 Aug 45 | Guard |
| Masanobu Narukawa | Yonin | 14 Apr 45 - 15 Aug 45 | Guard |
| Yoshio Maeda | Yonin | 14 Apr 45 - 9 Jul 45 | Guard |
| Nisad Takahashi | Sgt | 10 Aug 43 - 10 Jul 44 | |
| Masao Kayashi | Sgt | 10 Oct 44 - 15 Aug 45 | Medic |
| Minoru Nakao | Koin | 10 Jun 45 - 15 Aug 45 | Guard |
| Tokiji Kawabata | Koin | 1 May 45 - 15 Aug 45 | Guard |
| Hiroshi Naruko | Koin | 1 Mar 45 - 13 Sep 45 | Guard |
| Miki Tarodachi | Not on list supplied by Japanese; tried and convicted of war crimes |