The 2009–10 California Golden Bears men's basketball team represented the University of California, Berkeley in the 2009–10 NCAA Division I men's basketball season.

This was head coach Mike Montgomery's second season at California.

The Golden Bears played their home games at Haas Pavilion and participate in the Pacific-10 Conference.

They received an at–large bid to the 2010 NCAA Division I men's basketball tournament, earning an 8 seed in the South Region.

The Blue Devils went on to claim their fourth national title.