| Country: | San Marino |
| Flag Year: | 1862 |
| Type: | parliamentary |
| Previous Election: | 1978 |
| Next Election: | 1988 |
| Election Date: | 29 May 1983 |
| Seats For Election: | All 60 seats in the Grand and General Council |
| Majority Seats: | 31 |
| Turnout: | 79.72% (0.74pp) |
| Noleader: | yes |
| Party1: | Sammarinese Christian Democratic Party |
| Last Election1: | 26 |
| Seats1: | 26 |
| Percentage1: | 42.07 |
| Party2: | Sammarinese Communist Party |
| Last Election2: | 16 |
| Seats2: | 15 |
| Percentage2: | 24.38 |
| Party3: | Sammarinese Socialist Party |
| Last Election3: | 8 |
| Seats3: | 9 |
| Percentage3: | 14.82 |
| Party4: | PSU |
| Last Election4: | 7 |
| Seats4: | 8 |
| Percentage4: | 13.89 |
| Party5: | PSDS |
| Last Election5: | 2 |
| Seats5: | 1 |
| Percentage5: | 2.90 |
| Party6: | Democratic Consent–Republican Party |
| Last Election6: | new |
| Seats6: | 1 |
| Percentage6: | 1.95 |
General elections were held in San Marino on 29 May 1983.[1] The Sammarinese Christian Democratic Party remained the largest party, winning 26 of the 60 seats in the Grand and General Council.[2] Following the elections the Sammarinese Communist Party continued their coalition with the Sammarinese Socialist Party and the Unitary Socialist Party.
Voters had to be citizens of San Marino and at least 18 years old. This was the first Sammarinese general election in which suffrage was granted to people under 24 years of age.