| William M. Appleton | |
| State House: | Pennsylvania |
| District: | 28th |
| Term Start: | January 7, 1969 |
| Term End: | November 30, 1970 |
| Predecessor: | District Created |
| Successor: | James Kelly |
| State House2: | Pennsylvania |
| District2: | Allegheny County |
| Term Start2: | January 5, 1965 |
| Term End2: | November 30, 1968 |
| Birth Date: | August 23, 1920 |
| Party: | Republican |
William M. Appleton (August 23, 1920 - October 6, 2001) was a Republican member of the Pennsylvania House of Representatives.[1]