| Country: | San Marino |
| Flag Year: | 1862 |
| Type: | parliamentary |
| Previous Election: | 1949 |
| Next Election: | 1955 |
| Election Date: | 16 September 1951 |
| Seats For Election: | All 60 seats in the Grand and General Council |
| Majority Seats: | 31 |
| Turnout: | 62.55% (4.97pp) |
| Noleader: | yes |
| Last Election1: | 25 |
| Seats1: | 26 |
| Percentage1: | 43.03 |
| Seats2: | 18 |
| Percentage2: | 29.29 |
| Seats3: | 13 |
| Percentage3: | 22.11 |
| Last Election4: | new |
| Seats4: | 3 |
| Percentage4: | 5.57 |
General elections were held in San Marino on 16 September 1951.[1] The Sammarinese Christian Democratic Party emerged as the largest single party, winning 26 of the 60 seats in the Grand and General Council.[2] However, the Committee of Freedom alliance held a majority of 31 seats.
Voters had to be citizens of San Marino, male and at least 24 years old.