Margaret Summerhays (1884-1983) was a LDS musician and music educator active in Utah during the 20th century.

Margaret Summerhays was born in Salt Lake City, Utah on January 12, 1884 to Joseph William Summerhays and Mary Melissa Parker. At an early age she showed a talent for singing and spent most of her life studying, teaching, and performing music. She graduated as a soloist from the New England Conservatory of Music in Boston in 1916 and obtained a B.A. in music from Brigham Young University in 1936. During the course of her career she taught singing privately, and at the McCune School of Music, Brigham Young University, Frederick Haywood's School in New York, and the L.D.S. School of Music under Cecil Gates. She performed extensively throughout Utah and Idaho and directed many church choral groups. She also served from 1921 to 1922 on the General board of the Young Ladies Mutual Improvement Association and the General Church Music Committee of The Church of Jesus Christ of Latter-day Saints (LDS). She died October 4, 1983.