The 1999–2000 Oregon Ducks men's basketball team represented the University of Oregon as a member of the Pacific-10 Conference during the 1999–2000 NCAA Division I men's basketball season.

The team was led by third-year head coach Ernie Kent and played their home games at McArthur Court in Eugene, Oregon.

The Ducks finished third in the Pac-10 regular season standings, and received an at-large bid to the NCAA tournament.

7 seed in the East region, Oregon lost to No.

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