2023–24 Oregon Ducks men's basketball team

The 2023–24 Oregon Ducks men's basketball team represented the University of Oregon during the 2023–24 NCAA Division I men's basketball season. The Ducks, led by 14th-year head coach Dana Altman, played their home games at Matthew Knight Arena as members of the Pac–12 Conference. They were competing in the 2024 NCAA Tournament, clinching a spot after beating Colorado 75–68 in the Pac-12 Tournament final.

This was the final season the Ducks are members of the Pac-12 conference, as they will join the Big Ten Conference on July 1, 2024.

Previous season
The Ducks finished the season 21–15, 12–8 in Pac-12 play to finish in 4th place for the regular season. They defeated Washington State in the quarterfinals of the Pac-12 tournament before losing to UCLA in the semifinals. They did not receive an invitation to the NCAA tournament but did receive a bid to the NIT tournament as a No. 1 seed. They defeated UC Irvine 84–58 in their first round matchup, they defeated UCF 68–54 in their second round matchup and would be defeated by Wisconsin 58–61 in the quarterfinals.

Schedule and results
!colspan=12 style=| Non-conference regular season

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

!colspan=12 style=| Pac-12 Tournament

!colspan=12 style=| NCAA tournament