The chairman of the Supreme Soviet of the Latvian Soviet Socialist Republic was the presiding officer of that legislature. It is not to be confused with the chairman of the Presidium of the Latvian Soviet Socialist Republic, a superior position in the Soviet state apparatus.
| Name | Period |
|---|---|
| Pēteris Briedis | August 25, 1940 – March 14, 1947 |
| Aleksandrs Mazjēcis | March 14, 1947 – October 14, 1948 |
| Pēteris Zvaigzne | October 14, 1948 – 1955 |
| Edgars Apinis | March 24, 1955 – March 30, 1957 |
| Jānis Vanags | June 5, 1957 – March 20, 1963 |
| Pēteris Vāleskalns | March 20, 1963 – July 7, 1971 |
| Aleksandrs Malmeisters | July 7, 1971 – July 3, 1975 |
| Valentīna Klibiķe | July 3, 1975 – March 29, 1985 |
| Aleksandrs Drīzulis | March 29, 1985 – July 27, 1989 |
| Anatolijs Gorbunovs | July 27, 1989 – May 3, 1990 |
Chairman of the Supreme Council of (from May 4, 1990) the Republic of Latvia edit
| Name | Period |
|---|---|
| Anatolijs Gorbunovs | May 3, 1990 – July 8, 1993 |