| Election Name: | 2013 Tamarua by-election |
| Type: | parliamentary |
| Country: | Cook Islands |
| Seats For Election: | Constituency of Tamarua |
| Ongoing: | no |
| Previous Election: | 2010 Cook Islands general election |
| Previous Year: | 2010 |
| Next Election: | 2014 Cook Islands general election |
| Next Year: | 2014 |
| Election Date: | 29 January 2013 |
| Candidate1: | Tetangi Matapo |
| Party1: | Democratic Party (Cook Islands) |
| Popular Vote1: | 28 |
| Percentage1: | 51.85% |
| Candidate2: | Tokorua Pareina |
| Party2: | Cook Islands Party |
| Popular Vote2: | 26 |
| Percentage2: | 48.15% |
| MP | |
| Before Election: | Pukeiti Pukeiti |
| Before Party: | Cook Islands Party |
| After Election: | Tetangi Matapo |
| After Party: | Democratic Party (Cook Islands) |
The 2013 Tamarua by-election was a by-election in the Cook Islands electorate of Tamarua. It was held on 29 January 2013,[1] and was precipitated by the death of sitting MP Pukeiti Pukeiti.[2]
The by-election was won by the Democratic Party's Tetangi Matapo.[3]