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This is a list of singles that have peaked in the Top 10 of the Billboard Hot 100 during 1991.

A total of 111 singles reached the top ten in 1991, with 102 singles that peaked that year while the remaining nine peaked in 1990 or 1992. This was also the final year that the Billboard Hot 100 used the old methodology for determining sales and airplay figures from a survey of retailers and radio stations. Beginning with the chart dated November 30, 1991, sales data was now gathered by Soundscan via a collection of the number of barcode scans a record received while airplay was to be compiled by Broadcast Data Systems, which continuously monitored what songs were being played on radio.

27 songs reached number one that year, while 10 songs reached a peak of number two.

Mariah Carey scored four top ten hits during the year with "Someday", "I Don't Wanna Cry", "Emotions", and "Can't Let Go", the most among all other artists.

• 1991 in music
• List of Billboard Hot 100 number ones of 1991
• Billboard Year-End Hot 100 singles of 1991

• Whitburn, Joel (2012). Pop Annual, 1955–2011 (8th ed.). Record Research Inc. ISBN 0-89820-194-2.
• Joel Whitburn Presents the Billboard Hot 100 Charts: The Nineties (ISBN 0-89820-137-3)
• Additional information obtained can be verified within Billboard's online archive services and print editions of the magazine.