Spymaster
A spymaster is the person that leads a spy ring, or a secret service.
Historical spymasters
| Name | Allegiance | Agency/Organization/Service |
| James Jesus Angleton | Central Intelligence Agency | |
| R. N. Kao | Research and Analysis Wing | |
| Vera Atkins | Special Operations Executive | |
| Lavrentiy Beria | NKVD | |
| Wilhelm Canaris | Abwehr | |
| Michael Collins | Irish Republican Army | |
| Thomas Cromwell | ||
| William J. Donovan | Office of Strategic Services | |
| Armand Jean du Plessis | ||
| Allen Dulles | Central Intelligence Agency | |
| Zhou Enlai | Communist Party of China | Special Service section of the Central Committee Urban Work Committee of the Central Committee |
| Sándor Goldberger | ||
| Hamid Gul | Director-General of Inter-Services Intelligence | |
| Isser Harel | Mossad | |
| David Kimche | Mossad | |
| Ivone Kirkpatrick | British Army | |
| Dai Li | National Revolutionary Army | |
| Colin Hercules Mackenzie | Special Operations Executive – Force 136 | |
| Yuri Modin | NKVD | |
| Hugh Montgomery | Central Intelligence Agency | |
| Bhola Nath Mullik | Intelligence Bureau | |
| Donald Nichols | 6004th Air Intelligence Service Squadron | |
| Manuel Piñeiro | Dirección de Inteligencia | |
| Allan Pinkerton | Union Intelligence Service | |
| Wang Puchen | Bureau of Investigation and Statistics | |
| Pyotr Rachkovsky | Okhrana | |
| Alfred Redl | ; | Evidenzbureau |
| Mao Renfeng | Bureau of Investigation and Statistics | |
| Semyon Semyonov | NKVD | |
| Kang Sheng | Communist Party of China | Central Department of Social Affairs |
| Hugh Sinclair | Secret Intelligence Service | |
| Mansfield Smith-Cumming | Secret Intelligence Service | |
| Gustav Steinhauer | Nachrichten-Abteilung | |
| William Stephenson | British Security Co-ordination | |
| Emanuel Sueyro | ||
| Benjamin Tallmadge | Culper Ring | |
| John Thurloe | ||
| Francis Walsingham | ||
| George Washington | Continental Army | |
| William Wickham | ||
| Markus Wolf | Main Directorate for Reconnaissance | |
| Shen Zui | Bureau of Investigation and Statistics |