Mia Gundersen (born 27 October 1961) is a Norwegian singer and actress.

She made her stage debut at Rogaland Teater in 1987, in the cabaret Johanna og Broremann.

Her breakthrough was as the character "Eliza Doolittle" in the musical My Fair Lady in 1990.

Gundersen has participated in the song contest Melodi Grand Prix several times.

She played a leading role in the television soap series Offshore [no] (1996–1999).