| Dave Opfar | |
| Birth Date: | 16 January 1960 |
| Birth Place: | McKeesport, Pennsylvania, U.S. |
| Player Years1: | 1979–1982 |
| Player Team1: | Penn State |
| Player Years2: | 1984–1985 |
| Player Team2: | Philadelphia/Baltimore Stars |
| Player Years3: | 1987 |
| Player Team3: | Pittsburgh Steelers |
| Player Positions: | Nose tackle |
| Coach Years1: | c. 1990 |
| Coach Team1: | Duquesne HS (PA) (assistant) |
| Coach Years2: | 1993–1997 |
| Coach Team2: | Duquesne (DL) |
| Coach Years3: | 1998 |
| Coach Team3: | Penn State (GA) |
| Coach Years4: | 1999–2001 |
| Coach Team4: | Washington & Jefferson (DC) |
| Coach Years5: | 2002–2009 |
| Coach Team5: | Saint Francis (PA) |
| Coach Years6: | 2010–2021 |
| Coach Team6: | Duquesne (DC) |
| Overall Record: | 17–68 |
| Championships: | |
David Louis Opfar (born January 16, 1960) is an American football coach and former player. He was the defensive coordinator at Duquesne University from 2010 to 2021. Opfar served as the head football coach at Saint Francis University in Loretto, Pennsylvania from 2002 to 2009, compiling a record of 17–68. Opfar played college football at Penn State and professionally in the United States Football League (USFL) with the Philadelphia/Baltimore Stars in 1984 and 1985 and in the National Football League (NFL) with the Pittsburgh Steelers in 1987.[1]