The UC Davis Aggies football team represents the University of California, Davis in NCAA Division I Football Championship Subdivision (FCS). The football program's first season took place in 1915, and has fielded a team each year since with the exception of 1918 during World War I and from 1943 to 1945 during World War II, when the campus, then known as the University Farm, was shut down. The team was known as the Cal Aggies or California Aggies from 1922 to 1958 when UC Davis was called the Northern Branch of the College of Agriculture.

The Big Sky Conference is a collegiate athletic conference affiliated with the NCAA's Division I with football competing in the Football Championship Subdivision. As of 2023, full member institutions are located in the states of Arizona, California, Colorado, Idaho, Montana, Oregon, Utah, and Washington. Two affiliate members from California are football–only participants.