| Election Name: | 1947 Philadelphia mayoral election |
| Country: | Philadelphia |
| Type: | presidential |
| Ongoing: | no |
| Previous Year: | 1943 |
| Next Year: | 1951 |
| Image1: | File:3x4.svg |
| Nominee1: | Bernard Samuel |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 413,091 |
| Percentage1: | 56.25% |
| Nominee2: | Richardson Dilworth |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 321,469 |
| Percentage2: | 43.76% |
| Mayor | |
| Before Election: | Bernard Samuel |
| Before Party: | Republican Party (United States) |
| After Election: | Bernard Samuel |
| After Party: | Republican Party (United States) |
The 1947 Philadelphia mayoral election saw the reelection of Bernard Samuel. To date, this is the last election in Philadelphia mayoral history won by a Republican and the last not won by a Democrat. Samuel defeated Democratic Party nominee, first-time candidate Richardson Dilworth. Dilworth would subsequently go on to be the unsuccessful Democratic Party nominee for governor of Pennsylvania in 1950 before being elected Philadelphia district attorney in 1951 and mayor of Philadelphia in 1955