| Election Name: | 1956 Christchurch mayoral election |
| Country: | New Zealand |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1953 Christchurch mayoral election |
| Previous Year: | 1953 |
| Next Election: | 1958 Christchurch mayoral by-election |
| Next Year: | 1958 |
| Election Date: | 17 November 1956 |
| Turnout: | 37,421 (42.45%) |
| Party Name: | no |
| Candidate1: | Robert Macfarlane |
| Party1: | Labour |
| Popular Vote1: | 20,368 |
| Percentage1: | 54.43 |
| Candidate2: | Bill MacGibbon |
| Party2: | Citizens' |
| Color2: | DDEEFF |
| Popular Vote2: | 17,053 |
| Percentage2: | 45.57 |
| Mayor | |
| Before Election: | Robert Macfarlane |
| After Election: | Robert Macfarlane |
The 1956 Christchurch mayoral election was part of the New Zealand local elections held that same year. In 1956, election were held for the Mayor of Christchurch plus other local government positions. The polling was conducted using the standard first-past-the-post electoral method.
Sitting mayor Robert Macfarlane was re-elected for a fourth term, opposed only by Bill MacGibbon of the Citizens' Association who had run against Macfarlane in 1950.
The following table gives the election results: