| Election Name: | 1891 Philadelphia mayoral election |
| Country: | Philadelphia |
| Type: | presidential |
| Ongoing: | no |
| Previous Year: | 1887 |
| Next Year: | 1895 |
| Image1: | File:Edwin S Stuart 1909 (1).jpg |
| Nominee1: | Edwin Sydney Stuart |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 108,978 |
| Percentage1: | 60.92% |
| Nominee2: | Albert H. Lardner |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 69,913 |
| Percentage2: | 39.08% |
| Mayor | |
| Before Election: | Edwin Henry Fitler |
| Before Party: | Republican Party (United States) |
| After Election: | Edwin Sydney Stuart |
| After Party: | Republican Party (United States) |
The 1891 Philadelphia mayoral election saw the election of Erwin Sydney Stuart.