2018–19 Colorado Buffaloes men's basketball team

The 2018–19 Colorado Buffaloes men's basketball team represented the University of Colorado in the 2018–19 NCAA Division I men's basketball season. They were led by head coach Tad Boyle in his ninth season at Colorado. The Buffaloes played their home games at CU Events Center in Boulder, Colorado as members of the Pac-12 Conference. They finished the season 23–13, 10–8 in Pac-12 play to finish in a 3-way tie for fourth place. They defeated California and Oregon State in the first round and quarterfinals of the Pac-12 tournament before losing in the semifinals to Washington. They received an invitation to the National Invitation Tournament where they defeated Dayton in the first round, Norfolk State in the second round before losing to Texas in the quarterfinals.

Previous season
The Buffaloes finished the 2017–18 season 17–15, 8–10 in Pac-12 play to finish in a tie for eighth place. They defeated Arizona State in the first round of the Pac-12 tournament before losing in the quarterfinals to Arizona.

Schedule and results
!colspan=12 style=| Exhibition

!colspan=12 style=| Non-conference regular season

!colspan=12 style=|  Pac-12 regular season

!colspan=12 style=| Pac-12 tournament

!colspan=12 style=| NIT