| Unofficial Flag (1923) |  |
| First Soviet Flag (December 1922-November 12, 1923) |  |
| Second Soviet Flag (November 12, 1923-August 19, 1955) |  |
| Third Soviet Flag (August 19, 1955-August 15, 1980) |  |
| Last Soviet Flag (August 15, 1980-December 25, 1991) |  |
 |
|
| Unofficial Flag (1923) | |
| First Soviet Flag (December 1922-November 12, 1923) | |
| Second Soviet Flag (November 12, 1923-August 19, 1955) | |
| Third Soviet Flag (August 19, 1955-August 15, 1980) | |
| Last Soviet Flag (August 15, 1980-December 25, 1991) | |