1991

The following is a list of the number-one singles (main sides only) in the U.S. in 1991, based on a comparison between its two main charts at the time, from Billboard and Cash Box magazines.
Issue date 	Song 	Artist(s)
January 5 	"Justify My Love" 	Madonna
January 12 	"Justify My Love" 	Madonna
January 19 	"Justify My Love" 	Madonna
January 26 	"Love Will Never Do (Without You)" 	Janet Jackson
February 2 	"The First Time" 	Surface
February 9 	"Gonna Make You Sweat (Everybody Dance Now)"	C+C Music Factory
February 16 	"Gonna Make You Sweat (Everybody Dance Now)"	C+C Music Factory
February 23 	"All the Man That I Need" 	Whitney Houston
March 2 	"All the Man That I Need" 	Whitney Houston
March 9 	"Someday" 	Mariah Carey
March 16 	"Someday" 	Mariah Carey
March 23 	"One More Try" 	Timmy T.
March 30 	"Coming Out of the Dark" 	Gloria Estefan
April 6 	"Coming Out of the Dark" 	Gloria Estefan
April 13 	"I've Been Thinking About You" 	Londonbeat
April 20 	"Baby Baby" 	Amy Grant
April 27 	"Baby Baby" 	Amy Grant
May 4 	"Baby Baby" 	Amy Grant
May 11 	"Joyride" 	Roxette
May 18 	"Here We Go" 	C+C Music Factory
May 25 	"I Don't Wanna Cry" 	Mariah Carey
June 1 	"I Don't Wanna Cry" 	Mariah Carey
June 8 	"More Than Words" 	Extreme
June 15 	"Rush Rush" 	Paula Abdul
June 22 	"Rush Rush" 	Paula Abdul
June 29 	"Rush Rush" 	Paula Abdul
July 6 	"Rush Rush" 	Paula Abdul
July 13 	"Unbelievable" 	EMF
July 20 	"Unbelievable" 	EMF
July 27 	"Right Here, Right Now" 	Jesus Jones
August 3 	"(Everything I Do) I Do It for You" 	Bryan Adams
August 10 	"(Everything I Do) I Do It for You" 	Bryan Adams
August 17 	"(Everything I Do) I Do It for You" 	Bryan Adams
August 24 	"(Everything I Do) I Do It for You" 	Bryan Adams
August 31 	"(Everything I Do) I Do It for You" 	Bryan Adams
September 7 	"(Everything I Do) I Do It for You" 	Bryan Adams
September 14	"The Promise of a New Day" 	Paula Abdul
September 21	"I Adore Mi Amor" 	Color Me Badd
September 28	"I Adore Mi Amor" 	Color Me Badd
October 5 	"I Adore Mi Amor" 	Color Me Badd
October 12 	"Emotions" 	Mariah Carey
October 19 	"Emotions" 	Mariah Carey
October 26 	"Emotions" 	Mariah Carey
November 2 	"Romantic" 	Karyn White
November 9 	"Cream" 	Prince
November 16 	"Cream" 	Prince
November 23 	"When a Man Loves a Woman" 	Michael Bolton
November 30 	"When a Man Loves a Woman" 	Michael Bolton
December 7 	"When a Man Loves a Woman" 	Michael Bolton
December 14 	"It's So Hard to Say Goodbye to Yesterday" 	Boyz II Men
December 21 	"Black or White" 	Michael Jackson
December 28 	"Black or White" 	Michael Jackson