Is comórtas amhránaíochta teilifíse cruthaithe ag Simon Fuller é American Idol, a tosaíodh i Stáit Aontaithe Mheiriceá sa bhliain 2002. Chraol sé ar Fox. Thosaigh an cheathrú sraith American Idol ar 18 Eanáir 2005 agus chríochnaigh sé ar 25 Bealtaine 2005.
B'iad Simon Cowell, Paula Abdul agus Randy Jackson na breithiúna don sraith seo. Bhuaigh Carrie Underwood an tsraith agus tháinig Bo Bice sa dara háit.
"A Moment Like This" • "Flying Without Wings" • "I Believe" • "Inside Your Heaven" • "Do I Make You Proud" • "This Is My Now" • "The Time of My Life" • "No Boundaries" • "Beautiful Day" • "I Love You This Big" • "Home" • "I Am Beautiful" • "As Long as You Love Me" • "Beautiful Life" • "Falling" • "Going Going Gone" • "Flame" • "Rise Up" • "23" • "One Day Tonight"