The McGuire Sisters were a singing trio in American popular music. The group was composed of three sisters:
- Ruby Christine McGuire (July 30, 1926 – December 28, 2018)
- Dorothy "Dottie" McGuire (February 13, 1928 – September 7, 2012)
- Phyllis Jean McGuire (February 14, 1931 – December 29, 2020)
Among their most popular songs are "Sincerely" and "Sugartime", both number-one hits.