2005 Atlantic 10 Men's Basketball Tournament

The 2005 Atlantic 10 Men's Basketball Tournament was played from March 9 to March 12, 2005, at U.S. Bank Arena in Cincinnati, Ohio. The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 2005 NCAA Men's Division I Basketball Tournament. George Washington University won the tournament. The top two teams in each division received first-round byes. George Washington earned the conference's only bid to the NCAA tournament.

Bracket

  First Round
Wednesday, March 9
Quarterfinals
Thursday, March 10
Semifinals
Friday, March 11
Final
Saturday, March 12
                                     
   
  E1  Saint Joseph's 63  
    W4  Richmond 51  
W4  Richmond 68
E5  Rhode Island 60  
  E1  Saint Joseph's 73  
  W2  Xavier 68  
   
   
  W2  Xavier 83
    W6  La Salle 70  
E3  Massachusetts 64
W6  La Salle 70*  
  E1  Saint Joseph's 67
  W1  George Washington 76
   
   
  W1  George Washington 79
    E4  Fordham 63  
E4  Fordham 65
W5  Duquesne 53  
  W1  George Washington 77
  E2  Temple 58  
   
   
  E2  Temple 61
    W3  Dayton 51  
W3  Dayton 78
E6  St. Bonaventure 48  

All games played at U.S. Bank Arena, Cincinnati, Ohio
* - Overtime