Ellen McIlwaine (born October 1, 1945) is an American singer-songwriter and musician best known for her career as a solo singer, songwriter and slide guitarist.

Born in Nashville, Tennessee, United States, McIlwaine was adopted by missionaries and raised in Kobe, Japan, giving her exposure to multiple languages and cultures. She attended the Canadian Academy school in Kobe, graduating in 1963. Her first experience in music was playing Ray Charles, Fats Domino and Professor Longhair songs on piano that she heard on Japanese radio. On moving back to the United States she bought a guitar, beginning a stage career in Atlanta, Georgia in the mid-1960s.

In 1966, McIlwaine had a stint in New York City’s Greenwich Village where she opened every night at the Cafe Au Go Go, playing with Jimi Hendrix, and opening for Muddy Waters, Sonny Terryand Brownie McGhee, and Big Joe Williams. She returned to Atlanta to form the band Fear Itself, a psychedelic blues rock band.