Willoughby Ions (1881-1977) was an American composer, artist, poet and dramatist. She was an Art administrator, for the Federal Art Project.
Born Estelle de Willoughby Ions in New Orleans, she was married twice. She wrote the play The Age of Innocents and the opera All in a Golden Springtime. She was a member of the Equal Suffrage League of Virginia. She was a partner of Adèle Clark.
Her papers are held at the Virginia Historical Society.