| Billy Lunn | |
| Fullname: | William John Lunn |
| Birth Date: | 1923 5, df=y |
| Birth Place: | Lurgan, Northern Ireland |
| Death Place: | Bournemouth, England |
| Position: | Forward |
| Clubs1: | Glenavon |
| Years2: | 1946–1947 |
| Caps2: | 10 |
| Goals2: | 5 |
| Years3: | 1947–1950 |
| Caps3: | 47 |
| Goals3: | 19 |
| Years4: | 1950–1952 |
| Clubs4: | Newport County |
| Caps4: | 6 |
| Goals4: | 1 |
| Clubs5: | Yeovil Town |
| Totalcaps: | 63 |
| Totalgoals: | 25 |
William John Lunn (8 May 1923 – 19 January 2000) was a footballer from Northern Ireland who played in the Football League for West Bromwich Albion, Bournemouth & Boscombe Athletic and Newport County.[1]