Australasia was the name of a combined team at the 1912 Summer Olympics in Stockholm, Sweden, consisting of 26 athletes from Australia and New Zealand.

There were three New Zealanders in the 1912 team; Malcolm Champion, Anthony Wilding and George Hill.

Durack set a new Olympic record in the quarterfinals, which held throughout the rest of the competition.

Harold Hardwick and Cecil Healy each briefly took the Olympic record in the men's 400 meters freestyle heats, with the pair finishing third and fourth, respectively, in the final.

Anthony Wilding competed only in the indoor men's singles, finishing with the bronze medal.