| Ralph Sewer | |
| Fullname: | Ralph Stewart Sewer |
| Nickname: | Zip Zap |
| Birth Date: | 13 September 1951 |
| Height: | 174cm |
| Weight: | 79kg |
| Years1: | 1969-1980, 1985-1990 |
| Club1: | Woodville |
| Games Goals1: | 325 (396) |
| Years2: | 1981–1984 |
| Club2: | Glenelg |
| Games Goals2: | 57 (64) |
| Games Goalstotal: | 382 (460) |
| Sooteam1: | South Australia |
| Soogames Goals1: | 12 (5) |
| Careerhighlights: |
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Ralph Sewer is a retired fireman and Australian rules footballer who played for both the Woodville Football Club and Glenelg Football Club in the South Australian National Football League.[1] Sewer played 12 matches for South Australia.[2] Sewer is also the only player to have played in four decades of football in SANFL.