John Kerwick was an Australian rugby league footballer who played in the 1910s and 1920s.
The following season, Kerwick played at hooker in the 1916 grand final defeat against Balmain which ended 5–3.
The following season, Kerwick was a member of the Souths side which finished runners up in the competition.
In 1920, Souths again finished as runners up in the NSWRL competition with Kerwick making 12 appearances.
This rugby league football biography relating to an Australian born in the 1890s is a stub.