| Election Name: | 1939 Philadelphia mayoral election |
| Country: | Philadelphia |
| Type: | presidential |
| Ongoing: | no |
| Previous Year: | 1935 |
| Next Year: | 1943 |
| Nominee1: | Robert Eneas Lamberton |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 398,384 |
| Percentage1: | 52.45% |
| Nominee2: | Robert C. White |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 361,143 |
| Percentage2: | 47.55% |
| Mayor | |
| Before Election: | George Connell |
| Before Party: | Republican Party (United States) |
| After Election: | Robert Eneas Lamberton |
| After Party: | Republican Party (United States) |
The 1939 Philadelphia mayoral election saw the election of Robert Eneas Lamberton.