According to Billboard Magazine, American Idol contestants have 203 number one chart entries collectively. Below is a list of the contestants, and the number of times they entered at number one...
Kelly Clarkson 45
Carrie Underwood 33
Chris Daughtry (Daughtry) 24
Fantasia 21
Ruben Studdard 15
Clay Aiken 11
Kimberley Locke 8
Josh Gracin 7
Mandisa 6
Jordin Sparks 6
David Cook 4
Taylor Hicks 3
Jennifer Hudson 3
Elliott Yamin 3
David Archuleta 2
Bo Bice 2
Kellie Pickler 2
Paris Bennett 1
Bucky Covington 1
Diana DeGarmo 1
Tamyra Gray 1
Chris Sligh 1
William Hung 1
