List of spies in World War II
The following is an incomplete list of notable spies during World War II.
Spies for Italy
Spies for the Soviet Union
Spies for the United Kingdom
| Person | Notes | Reference |
| Sverre Bergh | Bergh spied on missile facilities in Germany. He illegally moved German plans Wasserfall surface-to-air-missiles out of Germany. | |
| Blanche Charlet | Charlet worked with SOE, a British organization that went against the Axis powers. | |
| Roman Czerniawski | Czerniawski was a D-Day spy. | |
| Madeleine Damerment | Damerment worked for SOE and was later shot. | |
| Claude Dansey | Dansey was assistant chief of the SIS. | |
| Wilfred Dunderdale | Dunderdale was a commander during the war. | |
| Ian Fleming | Fleming was a Lieutenant Commander RNVR in the British NID and was a key member of the NID 17. | |
| Juan Pujol García | A Spanish double agent loyal to Great Britain, García played a key role deceiving Nazi Germany during Operation Fortitude, delaying reinforcements from Nazi Germany to Normandy. | - |
| Tor Glad (a.k.a. Jeff) | ||
| Kurt Glauber | Glauber was a Jewish Austrian who escaped to Britain. He joined MI6. On his second mission, part of which involved gathering information on Nazi Nuclear developments, he was betrayed. Glauber was severely brutalized by the Nazis for being both a Jew and a British spy, refused to reveal any information. He was murdered in Mauthausen Concentration Camp. | |
| Graham Greene | Greene was involved in the SIS. | |
| Virginia Hall | Hall was a spy for the SOE, American OSS and the CIA. Note that the OSS was a precursor to the CIA. | |
| Mary Katherine Herbert | Herbert worked as a translator at Air Ministry in London after working with the British Embassy. | |
| Ron Jeffery | ||
| Noor Inayat Khan | Khan was a SOE agent and became the first female wireless operator to be sent into occupied France to aid the French Resistance during the war. | |
| Andrzej Kowerski | Kowerski was a Lieutenant for Poland during the war. | |
| Lionel Lee | Lee was a British Jew. He joined MI6. On his second mission,he was betrayed. and captured. Lee was murdered in the Gross-Rosen Concentration Camp. | |
| Patrick Leigh Fermor | Leigh Fermor was an SOE operative in Heraklion, Crete, who abducted the German General Heinrich Kreipe to Egypt. | |
| Stewart Menzies | ||
| Merlin Minshall | Minshall worked for Ian Fleming as a spy. | |
| John "Helge" Moe (a.k.a. Mutt) | ||
| Eileen Nearne | Nearne was a SOE for the United Kingdom. | |
| Jacqueline Nearne | ||
| Paddy O'Sullivan | O'Sullivan was a member of the Women's Auxiliary Air Force. | |
| John Pendlebury | Pendlebury worked for the British intelligence. | |
| Paddy Ridsdale | Ridsdale was Ian Fleming's secretary. | |
| Peter Smithers | Smithers helped Ian Fleming collect German spies in Britain. | |
| Violette Szabo | ||
| Halina Szymańska | Szymańska had a French identity card, which identified her as a Marie Clenat. She used this card to aid Britain. | |
| Col. Ted Tingling | Tinlin was a colonel for the British intelligence. | |
| Jona von Ustinov | Ustinov was a British spy. | |
| Valentine Patrick Terrell Vivian | ||
| Pearl Witherington | Witherington was known by many names. | |
| Forest Frederick Edward "Tommy" Yeo-Thomas | Yeo-Thomas was a SOE agent. |