| Name | Rank | Unit | Unit Role | |
| OBDRŽÁLEK | František | F/Sgt | 310 | Fitter I |
| OBERHEL | Josef | LAC | 311 | Armourer |
| OBERT | Ludvík | AC2 | Depot | Ground staff |
| OBR | Bohumil | LAC | 311 | Instrument Mechanic |
| OBRUSNÍK | Adolf | AC2 | 310 | Ground staff |
| OBŠIL † | Václav | P/O | 27 OTU | Wireless Operator/Air Gunner |
| OČADLÍK | Karel | AC2 | Depot | Ground staff |
| OCELKA | Antonín | W/O | 312 | Pilot |
| OCELKA, DFC † | Josef | W/Cdr | 6 MU | Pilot |
| ODSTRČÍLEK † | Otakar | Sgt | 12 OTU | Pilot |
| OESTERREICHER [Bartoň] | Robert | Sgt | 311 | Pilot, Wireless Operator |
| OHNOUTEK | Jaroslav | AC2 | Depot | Pilot trainee |
| OLBERT | Rudolf | AC2 | Depot | Pilot trainee |
| OLŠOVSKÝ | Richard | LAC | 311 | Fitter II E |
| ONDERKA | Adolf | Sgt | 311 | Fitter II A, Flight Engineer |
| ONDRÁČEK | Jindřich | LAC | 310 | Instrument Repair II |
| ONDRÁČEK | Václav | F/Sgt | 311 | Flight Engineer, Armourer |
| ONDRÁK | Bohumil | F/Sgt | 311 | Wireless Operator/Air Gunner |
| ONDRŮJ | František | F/Lt | 311 | Meteorologist |
| ONDRŮJ | Vlastimil | S/Ldr | 311 | Navigator |
| ONDRUŠ | Jindřich | AC2 | Depot | Navigator trainee |
| OPAVSKÝ | Jan | AC1 | 310 | Flight Mechanic A |
| OPLATKA [Brdský] † | Adolf [Petr] | Sgt | 111 OTU | Wireless Operator/Air Gunner |
| OPLOCKÝ | František | F/Sgt | 312 | Wireless Mechanic |
| ORLÍK † | Vilém | Sgt | 311 | Air Gunner |
| ORNSTEINOVÁ [Grollová] | Ruth Charlotte | Sgt | WAAF | Y Service |
| ORPINOVÁ | Anna | LACW1 | WAAF | Clerk /General Duties |
| OSLADIL | František | AC2 | Depot | Wireless Operator/Air Gunner |
| OSOBA | Karel | Sgt | 311 | Wireless Operator |
| OSOLSOBĚ | Jiří | F/Lt | 311 | Pilot |
| OSSENDORF [Osenský] | Robert | P/O | 312 | Pilot |
| OTČENÁŠEK | Jan | AC2 | Depot | Armourer |
| OTTA | Karel Stanislav | Sgt | 311 | Wireless Operator/Air Gunner |
| OURODA | Josef | Sgt | 311 | Fitter II E |
| OVSÁK | Štefan | AC2 | Depot | Ground staff |
| OZIMINA | Michal | AC2 | Depot | Ground staff |
Page last updated 28 November 2020.
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