| Dave Knechtel | |
| Birth Date: | 25 September 1945 |
| Birth Place: | Kitchener, Ontario, Canada |
| Status: | Retired |
| Import: | no |
| Position1: | Defensive tackle |
| Cis: | Waterloo Lutheran |
| Playing Years1: | 1968–1972 |
| Playing Team1: | Toronto Argonauts |
| Playing Years2: | 1973 |
| Playing Team2: | Edmonton Eskimos |
| Playing Years3: | 1974–1978 |
| Playing Team3: | Winnipeg Blue Bombers |
| Awards: | 1968 - Gruen Trophy |
Dave Knechtel (born September 25, 1945, in Kitchener, Ontario) is a former professional Canadian football defensive tackle who played eleven seasons for three teams in the Canadian Football League.