List of KGB defectors
This is a list of KGB officers and agents who have defected.
| Name | Defection date | Country of defection | Comment |
| Georgiy Sergeyevich Agabekov | 1930 |  France | |
| Walter Germanovich Krivitskiy | 1937, October | France | |
| Genrikh Samoilovich Lyushkov | 1938 |  Japan | |
| Aleksandr Mikhailovich Orlov | 1938 |  Canada | Authenticity of defection disputed |
| Lev Borisovich Helfand | 1940 |  Italy | |
| Igor Grigoryevich Orlov | 1943 |  Germany | Re-recruited as Soviet agent in 1949 |
| Viktor Andreyevich Kravchenko | 1944 |  United States | Not an intelligence officer |
| Anatoliy Mikhailovich Granovskiy | 1946 |  Sweden | |
| Vasiliy Mikhailovich Sharandak | 1947 |  Austria | - |
| Petr Sergeyevich Deryabin | 1953 | Austria | |
| Nikolay Yevgenyevich Khokhlov | 1954 |  West Germany | |
| Yuriy Aleksandrovich Rastvorov | 1954 | Japan | - |
| Vladimir Mikhaylovich Petrov | 1954, April 3 |  Australia | - |
| Yevdokiya Alekseyevna Petrova | 1954, April 19 | Australia | - |
| Reino Häyhänen | 1957 | ||
| Anatoliy Mikhailovich Golitsyn | 1961, December 15 |  Finland | |
| Bohdan Mykolayovych Stashynsky | 1961 | West Berlin | |
| Yuriy Ivanovich Nosenko | 1962 |  Switzerland | Authenticity of defection disputed |
| Yuri Vasilevich Krotkov | 1963 |  United Kingdom | KGB agent, not officer |
| Yuriy Aleksandrovich Bezmenov | 1970 |  Canada | Intelligence agent, not officer |
| Sergey Nikolayevich Kourdakov | 1971, September 4 | Canada | Intelligence agent, not officer |
| Oleg Adolfovich Lyalin | 1971 |  United Kingdom | |
| Artush Oganesyan | 1971 or 1972 |  Turkey | |
| Imants Lešinskis | 1978 | United States | |
| Aleksey Alekseyevich Myagkov | 1974 | West Berlin | |
| Stanislav Aleksandrovich Levchenko | 1979, October | Japan | |
| Oleg Agraniants | 1986 |  Tunisia | - |
| Ilya Grigoryevich Dzhirkvelov | 1980 |  Switzerland | - |
| Viktor Ivanovich Sheymov | 1980 | Unknown | - |
| Vladimir Anatolyevich Kuzichkin | 1982 |  Iran | - |
| Oleg Antonovich Gordievsky | 1985, July 19 | United Kingdom | - |
| Vitaly Sergeyevich Yurchenko | 1985 | Italy | Authenticity of defection disputed; later returned to USSR. |
| Igor Nikolayevich Cherpinskiy | 1990 |  Belgium | |
| Sergey Sergeyevich Illarionov | 1992 | Italy | |
| Vasiliy Nikitich Mitrokhin | 1992 |  Latvia | |
| Viktor Alekseyevich Oshchenko | 1992, July | United Kingdom | |
| Aleksandr Nikolayevich Poteyev | 2010, June 26 |  Belarus | KGB colonel, as well as officer in the SVR |