| Surname | Initials | Rank | Army No. | ||
|---|---|---|---|---|---|
| Onkar | Lance Naik | 478 | |||
| Onley | G T | Lance Corporal | P/15685 | ||
| Onley | W C | Lance Corporal | 6096906 | ||
| Onn | K | Private | 4806321 | ||
| Onslow | H J | Lance Corporal | 7687986 | ||
| Onslow | F | Private | 6086483 | ||
| Open | W | Lance Corporal | P/14086 | ||
| Open | K A | Lance Corporal | 6345223 | ||
| Openshaw | J F M | Lieutenant Colonel | 47019 | ||
| Openshaw | H | Lance Corporal | 910397 |