| Competition: | Tonga Major League |
| Season: | 2011–12 |
| Winners: | Lotoha'apai United |
| Prevseason: | 2010–11 |
| Nextseason: | 2013 |
The 2011-12 season of the Tonga Major League was the 33rd season of top flight association football competition in Tonga.[1] Lotohaʻapai United won the championship for the thirteenth time, and their second consecutive title.