| Harry Wassell | |
| Birth Date: | 21 September 1879 |
| Birth Place: | Stourbridge, England |
| Death Place: | Dudley, England |
| Position: | Full back |
| Years1: | – |
| Years2: | 1902–1904 |
| Clubs2: | Small Heath |
| Caps2: | 56 |
| Goals2: | 0 |
| Years3: | 1904–1905 |
| Years4: | 1905–1906 |
| Caps4: | 3 |
| Goals4: | 0 |
Harry Wassell (21 September 1879 – March 1951) was an English professional footballer born in Stourbridge, Worcestershire, who played as a full back. He made 56 appearances in the Football League playing for Small Heath, contributing to their promotion as Second Division runners-up in the 1902–03 season. He also played for Bristol Rovers and Queens Park Rangers in the Southern League.