| Election Name: | 1905 Invercargill mayoral election |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1904 Invercargill mayoral election |
| Previous Year: | 1904 |
| Next Election: | 1906 Invercargill mayoral election |
| Next Year: | 1906 |
| Election Date: | 26 April 1905 |
| Turnout: | 1,403 |
| Candidate1: | William Benjamin Scandrett |
| Party1: | Independent politician |
| Popular Vote1: | 1,095 |
| Percentage1: | 78.04 |
| Candidate2: | Robert Barbour McKay |
| Party2: | Independent politician |
| Popular Vote2: | 308 |
| Percentage2: | 21.95 |
| Mayor | |
| Before Election: | William Benjamin Scandrett |
| After Election: | William Benjamin Scandrett |
The 1905 Invercargill mayoral election was held on 26 April 1905 as part of that year's local elections.
The following table gives the election results: