Wendy Penney (born c. 1940) is a singer and bass guitar player who began performing in 1966, and together with husband Roger Penney formed the musical groups Bermuda Triangle Band, Roger and Wendy, and Euphoria.

In October 1969 Variety wrote, "Wendy is one of the very few women who can really play electric bass.

[3] In 1981, Entertainment New York magazine wrote, "Wendy, ethereal and beautiful bass guitarist, mesmerizes with a crystal clear soprano that's got to be one of the best in the business.

[6][7][8][9] Wendy Penny wrote all the music for a 10 part series Inside The Bermuda Triangle on BBC Radio 4 which was broadcast September 14–25, 2009.

[10] In recognition of her oil paintings, Penney was made a lifetime member of the prestigious Art Students League of New York.