| Election Name: | 1933 Dunedin mayoral election |
| Country: | New Zealand |
| Flag Image: | Dunedin city coa.gif |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1931 Dunedin mayoral election |
| Previous Year: | 1931 |
| Next Election: | 1935 Dunedin_mayoral_election |
| Next Year: | 1935 |
| Election Date: | 4 May 1933 |
| Turnout: | 26,295 |
| Party Name: | no |
| Candidate1: | Edwin Cox |
| Party1: | Independent |
| Popular Vote1: | 10,751 |
| Percentage1: | 40.88 |
| Candidate2: | Robert Black |
| Party2: | Citizens' |
| Color2: | 6495ED |
| Popular Vote2: | 8,805 |
| Percentage2: | 33.48 |
| Mayor | |
| Before Election: | Robert Black |
| After Election: | Edwin Cox |
The 1933 Dunedin mayoral election was part of the New Zealand local elections held that same year. In 1933, elections were held for the Mayor of Dunedin plus other local government positions including twelve city councillors. The polling was conducted using the standard first-past-the-post electoral method.
Robert Black, the incumbent Mayor, sought re-election but was defeated by Edwin Cox, a clergyman who had the backing of the Labour movement.