There were six teams in the Canberra League in 1955, Ainslie, Eastlake, Manuka, Queanbeyan-Acton, RMC and Turner.
Ainslie First Grade finished the 1955 season in 5th Position.
Second Grade finished in 4th position but were defeated in the First Semi Final.
19 Year old Ainslie player Barry Browning won the 1955 Mulrooney Medal becoming one of the youngest players to win. Browning polled 15 votes to win by 1 vote.