| Election Name: | 1947 Baltimore mayoral election |
| Flag Image: | Flag of Baltimore, Maryland.svg |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1943 Baltimore mayoral election |
| Previous Year: | 1943 |
| Next Election: | 1951 Baltimore mayoral election |
| Next Year: | 1951 |
| Election Date: | May 6, 1947 |
| Candidate1: | Thomas D'Alesandro Jr. |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 96,161 |
| Percentage1: | 57.22% |
| Candidate2: | Deeley K. Nice |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 71,889 |
| Percentage2: | 42.78% |
| Mayor | |
| Before Election: | Theodore McKeldin |
| Before Party: | Republican Party (United States) |
| After Election: | Thomas D'Alesandro Jr. |
| After Party: | Democratic Party (United States) |
The 1947 Baltimore mayoral election saw the election of Thomas D'Alesandro Jr.
The general election was held on May 6, 1947.