The Manukau Magpies are a rugby league football club based in Māngere, a suburb of Auckland in New Zealand, who compete in the Auckland Rugby League. The club was established in March 1912 after a meeting in Onehunga. That year they fielded a senior team and two junior teams.

The 1912 Auckland Rugby League season was the 4th official year of the Auckland Rugby League. The season commenced on 11 May, with the start of the First Grade competition.