Republikang Sosyalistang Sobyetiko ng Letonya

Latvian Soviet Socialist Republic Латвийская Советская Социалистическая Республика (Ruso) Latvijas Padomju Sociālistiskā Republika (Leton)
1940–1990/91 1941–1944: German occupation
Flag (1953–1990) State emblem (1940–1990)
Awiting Pambansa: Anthem of the Latvian Soviet Socialist Republic
Location of Latvia (red) within the Soviet Union
Katayuan	Unrecognized Soviet Socialist Republic (1940–1941, 1944–1990/91)
Kabisera	Riga
Karaniwang wika	Latvian Russian
Relihiyon	State atheism
Pamahalaan	Unitary Marxist-Leninist one-party soviet republic (1940–1989) Unitary parliamentary republic (1989–1991)
Leader
• 1940–1959	Jānis Kalnbērziņš (first)
• 1990	Alfrēds Rubiks (last)
Lehislatura	Supreme Soviet
Panahon	World War II · Cold War
• Soviet occupation	17 June 1940
• SSR established	21 July 1940
• Illegally annexed by USSR, Latvia continued de jure	5 August 1940
• Nazi occupation	1941–1945
• Soviet re-occupation SSR re-established	1944/1945
• Independence restored	4 May 1990
• Independence recognized by the State Council of the Soviet Union	6 September 1991
Salapi	Soviet ruble (руб) (SUR)
Kodigong pantelepono	7 013
Bahagi ngayon ng	Latvia

Ang Republikang Sosyalistang Sobyetiko ng Letonya (Leton: Latvijas Padomju Sociālistiskā Republika; Ruso: Латвийская Советская Социалистическая Республика, tr. Latviyskaya Sovetskaya Sotsialisticheskaya Respublika), impormal na tinatawag na Sobyetikong Letonya (Leton: Padomju Latvija; Ruso: Советская Латвия, tr. Sovetskaya Latviya), at payak na nakilala noon bilang Letonya (Leton: Latvija; Ruso: Латвия, tr. Latviya) ay isang estadong komunista na isang republikang bumuo ng Unyong Sobyetiko.