2009 Atlantic 10 men's basketball tournament
{{Short description|American men's postseason college basketball tournament}}
{{Use mdy dates|date=August 2023}}
{{Infobox NCAA Basketball Conference tournament
| Year = 2009
| Conference = Atlantic 10
| Division = I
| Gender = Men's
| Image =
| ImageSize =
| Caption =
| Teams = 12
| Arena = Boardwalk Hall
| City = Atlantic City, New Jersey
| Champions = Temple Owls
| TitleCount = 8th
| Coach = Fran Dunphy
| CoachCount = 2nd
| MVP = Dionte Christmas
| MVPTeam = Temple
| Attendance =
| OneTopScorer =
| TwoTopScorers =
| TopScorer =
| TopScorerTeam =
| TopScorer2 =
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| Points =
| Television =
}}
{{2008–09 Atlantic 10 men's basketball standings}}
The 2009 Atlantic 10 men's basketball tournament was played at Boardwalk Hall in Atlantic City, New Jersey from March 11 through March 14, 2009. The winner of the tournament received an automatic bid to the 2009 NCAA Men's Division I Basketball Tournament and was crowned Atlantic 10 Conference champion. Temple won the tournament with a 69–64 victory over Duquesne.
Bracket
{{4RoundBracket-Byes | RD1=First round
March 11
| RD2=Second round
March 12
| RD3=Semifinals
March 13
| RD4= Championship Game
March 14
| RD1-seed03=8
| RD1-team03=La Salle
| RD1-score03=60
| RD1-seed04=9
| RD1-team04=Saint Louis
| RD1-score04=62*
| RD1-seed07=5
| RD1-team07=Saint Joseph's
| RD1-score07=72
| RD1-seed08=12
| RD1-team08=Charlotte
| RD1-score08=62
| RD1-seed11=6
| RD1-team11=Richmond
| RD1-score11=65
| RD1-seed12=11
| RD1-team12=St. Bonaventure
| RD1-score12=49
| RD1-seed15=7
| RD1-team15=Duquesne
| RD1-score15=91
| RD1-seed16=10
| RD1-team16=Massachusetts
| RD1-score16=81
| RD2-seed01=1
| RD2-team01=#19 Xavier
| RD2-score01=66
| RD2-seed02=9
| RD2-team02=Saint Louis
| RD2-score02=47
| RD2-seed03=4
| RD2-team03=Temple
| RD2-score03=79
| RD2-seed04=5
| RD2-team04=Saint Joseph's
| RD2-score04=65
| RD2-seed05=3
| RD2-team05=Dayton
| RD2-score05=69
| RD2-seed06=6
| RD2-team06=Richmond
| RD2-score06=64
| RD2-seed07=2
| RD2-team07=Rhode Island
| RD2-score07=74
| RD2-seed08=7
| RD2-team08=Duquesne
| RD2-score08=78
| RD3-seed01=1
| RD3-team01=#19 Xavier
| RD3-score01=53
| RD3-seed02=4
| RD3-team02=Temple
| RD3-score02=55
| RD3-seed03=3
| RD3-team03=Dayton
| RD3-score03=66
| RD3-seed04=7
| RD3-team04=Duquesne
| RD3-score04=77
| RD4-seed01=4
| RD4-team01=Temple
| RD4-score01=69
| RD4-seed02=7
| RD4-team02=Duquesne
| RD4-score02=64
}}
Asterisk denotes game ended in overtime.
{{Atlantic 10 men's basketball tournament navbox}}
{{2009 NCAA Division I men's basketball tournament navbox}}