| Billy Dunlop | |
| Fullname: | William Lumsden Dunlop |
| Birth Date: | 20 February 1926 |
| Birth Place: | Airdrie, Scotland |
| Death Date: | 1994 (aged 68) |
| Death Place: | Torbay, England |
| Position: | Inside forward |
| Youthyears1: | – |
| Years1: | – |
| Clubs1: | Kilsyth Rangers |
| Years2: | 1949–1950 |
| Caps2: | 8 |
| Goals2: | 0 |
| Years3: | 1950–1951 |
| Clubs3: | Exeter City |
| Caps3: | 4 |
| Goals3: | 0 |
| Years4: | 1951–1952 |
| Clubs4: | Ilfracombe Town |
| Years5: | 1952–1953 |
| Clubs5: | Bristol Rovers |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 1953–1954 |
| Caps6: | 36 |
| Goals6: | 12 |
| Years7: | 1954–1955 |
| Clubs7: | Darlington |
| Caps7: | 18 |
| Goals7: | 2 |
| Years8: | 1955–19?? |
| Clubs8: | Bideford |
William Lumsden Dunlop (20 February 1926 – 1994) was a Scottish footballer who played as an inside forward for Dunfermline Athletic in the Scottish Football League and for Exeter City, Bradford Park Avenue and Darlington in the English Football League. He was on the books of Bristol Rovers without appearing for them in the League. Dunlop also played for Scottish junior club Kilsyth Rangers and in English non-league football for Ilfracombe Town and Bideford.[1]