| Bob Foster | |
| Birth Date: | 12 January 1941 |
| Player Years1: | 1958–1961 |
| Player Team1: | Northern Branch / UC Davis |
| Player Positions: | Running back |
| Coach Years1: | 1963–1964 |
| Coach Team1: | UC Davis (freshmen) |
| Coach Years2: | 1965–1970 |
| Coach Team2: | Vanden HS (CA) (assistant) |
| Coach Years3: | 1971–1977 |
| Coach Team3: | UC Davis (LB) |
| Coach Years4: | 1978–1988 |
| Coach Team4: | UC Davis (DC) |
| Coach Years5: | 1989–1992 |
| Coach Team5: | UC Davis |
| Coach Years6: | 1995–1997 |
| Coach Team6: | Willamette (defensive consultant) |
| Coach Years7: | 1998–1999 |
| Coach Team7: | Oregon (DC) |
| Coach Years8: | 2002 |
| Coach Team8: | California (LB) |
| Coach Years9: | 2006 |
| Coach Team9: | California (LB) |
| Coach Years10: | 2009 |
| Coach Team10: | Colorado (LB) |
| Coach Years11: | 2016–present |
| Coach Team11: | UC Davis (consultant) |
| Overall Record: | 30–11–1 |
| Tournament Record: | 0–2 (NCAA D-II playoffs) |
| Championships: | 3 NCAC (1989–1990, 1992) |
Bob Foster (born January 12, 1941) is an American football coach. He served as the head football coach at the University of California, Davis (UC Davis) from 1989 to 1992, compiling a record of 30–11–1.