| Dave Olerich | |
| Birth Date: | 14 November 1944 |
| Birth Place: | Elmhurst, Illinois |
| Number: | 84, 51, 37 |
| Position1: | Linebacker |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lb: | 220 |
| College: | San Francisco |
| Playing Years1: | 1967–1968, 1972–1973 |
| Playing Team1: | San Francisco 49ers |
| Playing Years2: | 1969–1970 |
| Playing Team2: | St. Louis Cardinals |
| Playing Years3: | 1971 |
| Playing Team3: | Houston Oilers |
| Playing Years4: | 1975 |
| Playing Team4: | The Hawaiians |
Dave Olerich (born November 14, 1944) is a former professional American football player who played linebacker for seven seasons for the San Francisco 49ers, St. Louis Cardinals, and Houston Oilers.[1]