2017–18 George Mason Patriots men's basketball team

The 2017–18 George Mason Patriots Men's basketball team represented George Mason University during the 2017–18 NCAA Division I men's basketball season. The season was the 52nd for the program, the third under head coach Dave Paulsen, and the fifth as members of the Atlantic 10 Conference The Patriots played their home games at EagleBank Arena in Fairfax, Virginia. They finished the season 16–17, 9–9 in A-10 play to finish in a four-way tie for fifth place. As the No. 5 seed in the A-10 tournament, they defeated Massachusetts in the second round before losing to Saint Joseph's in the quarterfinals.

Previous season
The Patriots finished the 2016–17 season 20–14, 9–9 in A-10 play to finish in a tie for seventh place. As the No. 7 seed in the A-10 tournament, they defeated Fordham in the second round before losing in the quarterfinals to VCU. They were invited to the College Basketball Invitational where they lost in the first round to Loyola (MD).

2017 recruiting class
Source

Preseason
In a poll of the league's head coaches and select media members at the conference's media day, the Patriots were picked to finish in 10th place in the A-10. Junior guard Otis Livingston II was named to the conference's preseason third team.

Honors and awards
Atlantic 10 All-Conference 2nd Team
 * Otis Livingston II

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

!colspan=12 style=|A-10 regular season

!colspan=12 style=|A-10 tournament