The 1913 Auckland Rugby League season was the 5th season of the Auckland Rugby league.
The first grade competition began on 3 May with the same 6 teams that had competed in the 1912 season, however Manukau Rovers pulled out of the competition midway through the season as they struggled to put a full team on the field. The Eden Ramblers also pulled out at the same time. North Shore Albions were crowned champions for the first time.
Other clubs competing in lower grades were Otahuhu, Northcote Ramblers now known as the Northcote Tigers, and Ellerslie Wanderers, who later became known as the Ellerslie Eagles. A match was also played between Avondale and New Lynn in Avondale on 13 September. The match was won by New Lynn by 23 points to 8.