| Walter Seiler | |
| Birth Date: | 15 May 1954 |
| Birth Place: | Wettingen, Switzerland |
| Position: | Forward |
| Years1: | 1972–1975 |
| Years2: | 1975–1977 |
| Caps2: | 40 |
| Goals2: | 21 |
| Years3: | 1977–1979 |
| Caps3: | 58 |
| Goals3: | 17 |
| Years4: | 1979–1983 |
| Caps4: | 111 |
| Goals4: | 62 |
| Years5: | 1983–1987 |
| Caps5: | 59 |
| Goals5: | 29 |
| Nationalyears1: | 1976 |
| Nationalteam1: | Switzerland |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Walter Seiler (born 15 May 1954) is a retired Swiss footballer who played as a forward.