2009 U.S. Open may refer to:

• 2009 U.S. Open (golf), a major golf tournament
• 2009 US Open (tennis), a Grand Slam tennis tournament
• 2009 Lamar Hunt U.S. Open Cup, a soccer tournament for U.S. teams
• 2009 US Open Darts

• I Want to Break Free
• I Want to Hear What You Have Got to Say
• I Want To Hold Your Hand
• I Want to Hold Your Hand
• I Want To Live!
• I Want to Live!
• I Want Tomorrow
• I Want To See The Light & Coboloid Race
• I Want to See the Light/Coboloid Race
• I Want to Take You Higher
• I Want to Tell You
• I Want You Back
• I Want You, I Need You, I Love You
• I Want You (Janet Jackson song)
• I Want You (Madonna recording)
• I Want You (Marvin Gaye album)
• I Want You (Marvin Gaye song)
• I Want Your Sex
• I Want You (She's So Heavy)
• Iwanuma
• Iwao Hazuki
• Iwao Junko
• Iwaoka, Hyogo
• Iwao Oyama
• Iwao, Prince Oyama