List of Billboard Hot 100 number ones of 1991

That year, 14 acts earn their first number one song, such as Surface, C+C Music Factory, Freedom Williams, Timmy T, Londonbeat, Hi-Five, Extreme, EMF, Color Me Badd, Marky Mark and the Funky Bunch, Loleatta Holloway, Karyn White, The New Power Generation, and P.M.

Mariah Carey and Paula Abdul were the only acts to hit number one more than once, with Mariah Carey having the most with three and Paula Abdul having two.

The November 30 chart ("Set Adrift on Memory Bliss") was the first Hot 100 to be compiled with Soundscan data.

An asterisk (*) by a date indicates an unpublished, "frozen" week, due to the special double issues that Billboard published in print at the end of the year for their year-end charts.

While the double issues continued beyond 1991, the charts themselves would still be compiled, available through their electronic and online services.

Bryan Adams (pictured) earned his second Hot 100 number-one single with " (Everything I Do) I Do It for You ", which stayed at the top position for seven straight weeks.