Shannon Lee Tweed Simmons (born March 10, 1957) is a Canadian actress and model. One of the most successful actresses of mainstream erotica, she is identified with the genre of the erotic thriller cinema. Tweed has appeared in more than 60 films and several television series. She was named Playboy's Playmate of the Year in 1982.

Tweed is also known for Gene Simmons Family Jewels, a reality TV show that portrayed the life of her family from 2006 until 2012. She is married to Gene Simmons, bassist and co-lead singer of the band Kiss; Tweed and Simmons have two children, Nicholas Adam Tweed-Simmons and Sophie Alexandra Tweed-Simmons.

In 1978, Tweed was the third runner-up in the Miss Ottawa event and won the Miss Canada talent competition for her singing.[2]

After the Canadian wish-fulfilment TV show Thrill of a Lifetime arranged for her to pose for Playboy magazine, Tweed was chosen to be the Playmate of the Month for the November 1981 issue, and eventually the Playmate of the Year for 1982.[5][6][7][8] Tweed and her sister Tracy appeared together in a Playboy spread.[9]

Tweed primarily acted in B movies and in television series such as the HBO comedy 1st and Ten[10] and the prime-time soap opera Falcon Crest,[5][8] She also appeared in an episode of The Dukes of Hazzard as well as Married... with Children. In 1985, she landed a year-long role on Days of Our Lives as Savannah Wilder.[8][4] Tweed has appeared as a guest on Frasier.[11] She has also lent her voice to the Nickelodeon cartoon SpongeBob SquarePants in the episode "20,000 Patties Under the Sea", which also featured Gene Simmons as a guest.[12]