Alfred William 'Alf' O'Connor (1900-1970) was an Australian rugby league player who played in the 1920s and 1930s.

O'Connor was a state and national representative second-rower who won three NSWRFL premierships with South Sydney.

O'Connor is listed on the Australian Players Register as Kangaroo No.131.

[4] O'Connor died at Mascot, New South Wales on 30 January 1970 aged 69.

This rugby league football biography relating to an Australian born in the 1900s is a stub.