| Bill Killiby | |
| Fullname: | William John Reginald Killiby |
| Birth Date: | 16 January 1911 |
| Birth Place: | Balmain, New South Wales, Australia |
| Death Place: | Kurri Kurri, New South Wales, Australia |
| Retired: | yes |
| Club1: | St George Dragons |
| Year1start: | 1933 |
| Year1end: | 35 |
| Appearances1: | 39 |
| Tries1: | 11 |
| Goals1: | 0 |
| Fieldgoals1: | 0 |
| Points1: | 33 |
| Source: | Whiticker/Hudson |
Bill Killiby (16 January 1911 – 9 May 1979) was an Australian rugby league footballer who played in the 1930s.
Bill Killiby 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.[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]
Bill Killiby also served with the Australian Army in New Guinea in World War II. He was discharged due to injury in October 1944.[3]
Bill Killiby died on 9 May 1979.[4]