Tasha Thomas (c. 1945 – November 8, 1984) was an American singer and actress, known for her role as Aunt Em in the original Broadway production of The Wiz.

Thomas' breakthrough came when she was cast in the original Broadway production of The Wiz in the role of Aunt Em.

Her performance on the cast album, singing her soulful rendition of the ballad "The Feeling We Once Had", earned her wide critical acclaim.

She appears on Slade's 1976 Nobody's Fools LP providing backing vocals on several songs including the title track.

In 1978, on the basis of her growing popularity as a singer capable of performing in many different styles and genres, producers James R. Glaser (aka Jimmi Hood) and Peter Rugile signed Thomas to their company, Orbit Record Productions.