The 1999 UC Davis football team represented the University of California, Davis as an independent during the 1999 NCAA Division II football season.
Led by seventh-year head coach Bob Biggs, UC Davis compiled an overall record of 10–2.
5 in the NCAA Division II poll at the end of the regular season and advanced to the NCAA Division II Football Championship playoffs for the fourth straight year.
The Aggies defeated 18th-ranked Central Oklahoma in the first round before falling to Northeastern State in the quarterfinals.
The Aggies played home games at Toomey Field in Davis, California.