Bill Killiby (16 January 1911 – 9 May 1979) was an Australian rugby league footballer who played in the 1930s.

Killiby played lock-forward in the 1933 Grand Final against Newtown.

[1] Killiby's last game was on 30 August 1940 in the Reserve Grade Grand Final in which St. George Dragons won 29–10.

[2] Killiby served with the Australian Army in New Guinea in World War II.

This rugby league football biography relating to an Australian born in the 1910s is a stub.