| Election Name: | 1886 Invercargill mayoral election |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1885 Invercargill mayoral election |
| Previous Year: | 1885 |
| Next Election: | 1887 Invercargill mayoral by-election |
| Next Year: | 1887 |
| Election Date: | 24 November 1886 |
| Turnout: | 548 |
| Candidate1: | David Roche |
| Party1: | Independent politician |
| Popular Vote1: | 309 |
| Percentage1: | 56.38 |
| Candidate2: | John Lyon McDonald |
| Party2: | Independent politician |
| Popular Vote2: | 239 |
| Percentage2: | 43.61 |
| Mayor | |
| Before Election: | John Lyon McDonald |
| After Election: | David Roche |
The 1886 Invercargill mayoral election was held on 24 November 1886.
Incumbent mayor John Lyon McDonald was defeated by David Roche.
The following table gives the election results:[1]