| Election Name: | 1909 Wellington City mayoral election |
| Country: | New Zealand |
| Flag Image: | Wellington Coat Of Arms.svg |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1908 Wellington City mayoral election |
| Previous Year: | 1908 |
| Next Election: | 1910 Wellington City mayoral election |
| Next Year: | 1910 |
| Election Date: | 29 April 1909 |
| Turnout: | 13,411 (44.48%) |
| Candidate1: | Alfred Newman |
| Party1: | Independent politician |
| Popular Vote1: | 4,523 |
| Percentage1: | 33.72 |
| Candidate2: | Thomas Wilford |
| Party2: | Independent politician |
| Popular Vote2: | 4,240 |
| Percentage2: | 31.61 |
| Candidate4: | Francis Fisher |
| Party4: | Independent politician |
| Popular Vote4: | 3,208 |
| Percentage4: | 23.92 |
| Candidate5: | John Rigg |
| Party5: | Independent Political Labour League |
| Popular Vote5: | 824 |
| Percentage5: | 6.14 |
| Mayor | |
| Before Election: | Thomas William Hislop |
| After Election: | Alfred Newman |
The 1909 Wellington City mayoral election was part of the New Zealand local elections held that same year. In 1909, elections were held for the Mayor of Wellington plus other local government positions including fifteen city councillors. The polling was conducted using the standard first-past-the-post electoral method.
Thomas William Hislop, the incumbent Mayor, did not seek re-election. Alfred Newman was elected to office as the new Mayor of Wellington, beating four other contenders.