| Election Name: | 1955 Boston mayoral election |
| Country: | Boston |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1951 Boston mayoral election |
| Previous Year: | 1951 |
| Election Date: | November 8, 1955 |
| Next Election: | 1959 Boston mayoral election |
| Next Year: | 1959 |
| Image1: | John B. Hynes (10926270034) (2).jpg |
| Candidate1: | John B. Hynes |
| Party1: | Nonpartisan candidate |
| Popular Vote1: | 124,301 |
| Percentage1: | 52.77% |
| Mayor | |
| Before Election: | John B. Hynes |
| After Election: | John B. Hynes |
| Candidate2: | John E. Powers |
| Party2: | Nonpartisan candidate |
| Popular Vote2: | 111,775 |
| Percentage2: | 47.23% |
| Map Size: | 260px |
The Boston mayoral election of 1955 occurred on Tuesday, November 8, 1955, between Mayor John B. Hynes and State Senator John E. Powers. Hynes was elected to his third term.
The nonpartisan municipal preliminary election was held on September 27, 1955.
This election was the first held under new ward boundaries, which remain in place for the city of Boston as of 2023.
| Candidates | Preliminary Election[1] | General Election[2] | ||
|---|---|---|---|---|
| Votes | % | Votes | % | |
| John B. Hynes (incumbent) | 50,957 | 39.16 | 124,301 | 52.77 |
| John E. Powers | 36,407 | 28.00 | 111,775 | 47.23 |
| James Michael Curley | 24,209 | 18.60 | ||
| Chester A. Dolan | 18,551 | 14.25 | ||