The 2025–26 UC Davis Aggies men's basketball team represented the University of California, Davis during the 2025–26 NCAA Division I men's basketball season. The Aggies, led by 15th-year head coach Jim Les, played their home games at the University Credit Union Center in Davis, California, as members of the Big West Conference.

This was the Aggies' last season as members of the Big West Conference, as they will be joining the Mountain West Conference in all sports except football, effective July 1, 2026.

Previous season The Aggies finished the 2024–25 season 15–17, 9–11 in Big West play, to finish in sixth place. They were defeated by Cal Poly in the first round of the Big West tournament.

Preseason On October 16, 2025, the Big West Conference released their preseason coaches poll. UC Davis was picked to finish sixth in the conference.

Preseason rankings +Big West Preseason Poll Place Team Points 1 98 (8) 2 93 (3) 3 76 4 69 5 63 6 UC Davis 58 7 54 8 31 9 26 10 20 11 17

Source:

Preseason All-Big West Team No players were named the Preseason All-Big West Team.

Roster

Schedule and results

!colspan=12 style=""| Regular season

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Sources:

References