| Type: | presidential |
| Mayor | |
| Before Election: | Roger Lapham |
| Before Party: | Republican Party (United States) |
| After Election: | Elmer Robinson |
| After Party: | Republican Party (United States) |
| Election Name: | 1947 San Francisco mayoral election |
| Country: | San Francisco |
| Ongoing: | no |
| Previous Election: | 1943 San Francisco mayoral election |
| Previous Year: | 1943 |
| Next Election: | 1951 San Francisco mayoral election |
| Next Year: | 1951 |
| Candidate1: | Elmer Robinson |
| Image1: | Hon. Elmer E. Robinson Crop.jpg |
| Percentage1: | 41.70% |
| Popular Vote1: | 117,503 |
| Party1: | Republican Party (United States) |
| Candidate2: | Franck R. Havenner |
| Percentage2: | 36.23% |
| Popular Vote2: | 102,100 |
| Party2: | Democratic Party (United States) |
| Candidate3: | Chester MacPhee |
| Image3: | Chester MacPhee.jpg |
| Percentage3: | 21.52% |
| Popular Vote3: | 60,651 |
| Party3: | Nonpartisan candidate |
The 1947 San Francisco mayoral election was held on November 4, 1947. Elmer Robinson was elected with 41% of the vote.
| Elmer Robinson | 117,503 | 41.70% |
| Franck R. Havenner | 102,100 | 36.23% |
| Chester MacPhee | 60,651 | 21.52% |
| Frank A. Barbaria | 1,559 | 0.55% |