| A. J. Christoff | |
| Birth Date: | 18 November 1948 |
| Birth Place: | Ritzville, Washington, U.S. |
| Alma Mater: | University of Idaho (1971) Oregon State University (1972) |
| Player Years1: | 1968–1971 |
| Player Team1: | Idaho |
| Player Positions: | Linebacker, defensive end |
| Coach Years1: | 1972 |
| Coach Team1: | Oregon State (GA) |
| Coach Years2: | 1973–1974 |
| Coach Team2: | New Mexico (DB/RC) |
| Coach Years3: | 1975–1976 |
| Coach Team3: | Idaho (AHC/DC/DB) |
| Coach Years4: | 1977–1978 |
| Coach Team4: | Oregon (ILB) |
| Coach Years5: | 1979–1982 |
| Coach Team5: | Oregon (DC/DB) |
| Coach Years6: | 1983 |
| Coach Team6: | Stanford (DC/DB) |
| Coach Years7: | 1984–1985 |
| Coach Team7: | Notre Dame (DC/DB) |
| Coach Years8: | 1986 |
| Coach Team8: | Georgia Tech (DB) |
| Coach Years9: | 1987–1989 |
| Coach Team9: | Alabama (DB) |
| Coach Years10: | 1990–1994 |
| Coach Team10: | UCLA (DB) |
| Coach Years11: | 1995–1998 |
| Coach Team11: | Colorado (DC/DB) |
| Coach Years12: | 2000 |
| Coach Team12: | USC (LB) |
| Coach Years13: | 2001–2002 |
| Coach Team13: | Cincinnati (DC) |
| Coach Years14: | 2003–2004 |
| Coach Team14: | Stanford (DC/DB) |
| Coach Years15: | 2005 |
| Coach Team15: | San Francisco 49ers (DB) |
| Coach Years16: | 2006 |
| Coach Team16: | Stanford (DC/DB) |
| Coach Years17: | 2007–2011 |
| Coach Team17: | VMI (DC) |
Andrew James Christoff (born November 18, 1948) is an American football coach. He was defensive coordinator for 18 seasons at six schools—Idaho,[1] [2] [3] Oregon,[4] Stanford,[5] Notre Dame,[6] Colorado and Cincinnati.
From Ritzville, Washington, Christoff graduated from Ritzville High School in 1963, and was recruited to play at Idaho under head coach Dee Andros.[7] He received a bachelor's degree in education from the University of Idaho in 1967 and a completed master's degree at Oregon State University in 1970.[1]