Natalie Allyn Sleeth (née Wakeley) (October 29, 1930 – March 21, 1992) was an American composer. Sleeth was born in Evanston, Illinois. In 1934, she began to study the piano at the early age of four. In 1952, she received an Academic major in music theory and a BA in music theory at Wellesley College in Massachusetts. She married a Professor of Homiletics, Reverend Ronald E. Sleeth. In her later life she received an honorary doctorate from West Virginia Wesleyan College in 1959, and from Nebraska Wesleyan College in 1990. An organist, she wrote over 180 highly successful selections for church and school.