| Name
|
Defection date
|
Country of defection
|
Comment
|
| Georgiy Sergeyevich Agabekov[1]
|
1930
|
 France
|
Disappeared around August, 1937. Body never recovered.
|
| Ignace Reiss
|
1937, July
|
 Switzerland
|
On September 4, 1938, Reiss was gunned down by an NKVD hit squad.
|
| Walter Germanovich Krivitskiy[1]
|
1937, October
|
France
|
Found dead in his hotel room on Feb. 10, 1941 with a gunshot wound to the temple. Suspected foul play.
|
| Genrikh Samoilovich Lyushkov
|
1938
|
 Japan
|
|
| Aleksandr Mikhailovich Orlov[1]
|
1938
|
 Canada
|
Authenticity of defection disputed[2]
|
| Lev Borisovich Helfand[1]
|
1940
|
 Italy
|
|
| Igor Grigoryevich Orlov
|
1943
|
 Germany
|
Re-recruited as Soviet agent in 1949
|
| Viktor Andreyevich Kravchenko[1][2]
|
1944
|
 United States
|
Not an intelligence officer
|
| Anatoliy Mikhailovich Granovskiy
|
1946
|
 Sweden
|
|
| Petr Sergeyevich Deryabin[1][2]
|
1953
|
 Austria
|
|
| Nikolay Yevgenyevich Khokhlov
|
1954
|
 West Germany
|
|
| Yuriy Aleksandrovich Rastvorov[1]
|
1954
|
Japan
|
|
| Vladimir Mikhaylovich Petrov[1][2]
|
1954, April 3
|
 Australia
|
|
| Yevdokiya Alekseyevna Petrova
|
1954, April 19
|
Australia
|
|
| Reino Häyhänen
|
1957
|
France
|
|
| Anatoliy Mikhailovich Golitsyn[2]
|
1961, December 15
|
 Finland
|
|
| Bohdan Mykolayovych Stashynsky
|
1961
|
West Berlin
|
|
| Yuri Vasilevich Krotkov
|
1963
|
 United Kingdom
|
KGB agent, not officer
|
| Yuriy Ivanovich Nosenko[3]
|
1964, January
|
Switzerland
|
Authenticity of defection disputed[2]
|
| Yuriy Aleksandrovich Bezmenov[4]
|
1970
|
 Canada
|
Intelligence agent, not officer
|
| Sergey Nikolayevich Kourdakov
|
1971, September 4
|
Canada
|
Intelligence agent, not officer
|
| Oleg Adolfovich Lyalin[2]
|
1971
|
United Kingdom
|
|
| Imants Lešinskis[5]
|
1978[6]
|
United States
|
|
| Aleksei Alekseyevich Myagkov[2]
|
1974
|
West Berlin
|
|
| Stanislav Aleksandrovich Levchenko[2]
|
1979, October
|
Japan
|
|
| Oleg Agraniants[7]
|
1986
|
 Tunisia
|
|
| Ilya Grigoryevich Dzhirkvelov[2]
|
1980
|
Switzerland
|
|
| Viktor Ivanovich Sheymov[8]
|
1980
|
United States
|
|
| Vladimir Anatolyevich Kuzichkin
|
1982
|
 Iran
|
|
| Oleg Antonovich Gordievsky
|
1985, July 19
|
United Kingdom
|
|
| Vitaly Sergeyevich Yurchenko
|
1985
|
Italy
|
Disputed (later returned to USSR).[2]
|
| Igor Nikolayevich Cherpinskiy[9]
|
1990
|
 Belgium
|
|
| Sergey Sergeyevich Illarionov[10]
|
1992
|
Italy
|
|
| Vasiliy Nikitich Mitrokhin
|
1992
|
 Latvia
|
|
| Viktor Alekseyevich Oshchenko[11]
|
1992, July
|
United Kingdom
|
|
| Aleksandr Nikolayevich Poteyev
|
2010, June 26
|
United States
|
KGB colonel, later SVR officer
|
