Cynthia Jane Williams (August 22, 1947 – January 25, 2023) was an American actress and producer, known for her role as Shirley Feeney on the television sitcoms Happy Days (1975–1979), and Laverne & Shirley (1976–1982). She also appeared in American Graffiti (1973) and The Conversation (1974).

Early life
Williams was born in the Van Nuys district of Los Angeles, California, on August 22, 1947. She was Italian on her mother’s side, Francesca Bellini. The family moved to Dallas, Texas when she was a year old and returned to Los Angeles when she was ten years old. She had one sibling, a sister named Carol Ann.

Williams wrote and acted during childhood at a church and later acted at Birmingham High School, graduating in 1965. She attended Los Angeles City College where she majored in theater .