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

He played three seasons of first grade with St George Dragons between 1933-1935 and retired at the end of the 1940 season in Reserve Grade.

Killiby played lock-forward in the 1933 Grand Final against Newtown.Alan Whiticker/Glen Hudson: Encyclopedia of Rugby League Players, 1995. () Killiby's last game was on 30 August 1940 in the Reserve Grade Grand Final in which St. George Dragons won 29–10.The SUN(Sydney) 31 August 1940 "St.George League Victories" https://trove.nla.gov.au/newspaper/article/230912168searchTerm=%22keightley%22%20%22st.george%22&searchLimits=l-state=New+South+Wales|||l-decade=194

War service

Killiby served with the Australian Army in New Guinea in World War II. He was discharged due to injury in October 1944.World War Two Nominal Roll

Death

Killiby died on 9 May 1979.Sydney Morning Herald: Death notice 11/5/1979

References