| Billy Harrison | |
| Fullname: | William Harrison |
| Birth Date: | 26 September 1901 |
| Birth Place: | Lancaster, Lancashire, England |
| Position: | Goalkeeper |
| Years1: | 1921–1922 |
| Clubs1: | Scotforth |
| Years2: | 1922–1923 |
| Clubs2: | Marsh Wesleyans |
| Years3: | 1923–1924 |
| Years4: | 1924–1933 |
| Clubs4: | Bury |
| Caps4: | 127 |
| Goals4: | 0 |
| Years5: | 1933–193? |
William Harrison (26 September 1901 – 1984) was an English professional footballer who played as a goalkeeper in the English Football League for Bury, and also played non-league football for Scotforth, Marsh Wesleyans and Lancaster Town.