| Election Name: | 1877 Boston mayoral election |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1876 Boston mayoral election |
| Previous Year: | 1876 |
| Election Date: | December 11, 1877 |
| Next Election: | 1878 Boston mayoral election |
| Next Year: | 1878 |
| Party Name: | no |
| Image1: | Henry L. Pierce - Brady-Handy (2).jpg |
| Candidate1: | Henry L. Pierce |
| Colour1: | E81B23 |
| Party1: | Republican (also Citizens') |
| Popular Vote1: | 25,090 |
| Percentage1: | 52.28% |
| Candidate2: | Frederick O. Prince |
| Colour2: | 3333FF |
| Party2: | Democratic |
| Popular Vote2: | 22,892 |
| Percentage2: | 47.70% |
| Mayor | |
| Before Election: | Frederick O. Prince |
| Before Party: | Democratic |
| After Election: | Henry L. Pierce |
| After Party: | Republican |
The Boston mayoral election of 1877 saw the election of Republican nominee Henry L. Pierce, who unseated incumbent Democratic mayor Frederick O. Prince.
Incumbent Democratic Party mayor Frederick O. Prince was re-nominated by his party.[1] Henry L. Pierce was nominated by the Republican Party and the Citizens' Party, which nominated identical tickets.[2]