Vintage playmate Lisa Welch in pink nighty lingerie for Playboy Japan Calendar 1981.

Lisa Welch Selmer (born on November 11, 1960 in Aberdeen, Maryland) is an American nude model, actress and artist. She was Playboy magazine's Playmate of the Month for its September 1980 issue. Her centerfold was photographed by Ken Marcus and Pompeo Posar.

An Army brat, Lisa moved from place to place during her childhood, eventually settling in the San Francisco area. She graduated early from high school and studies fashion retailing at the College of Marin. After graduating with her degree and drifting from job to job, Lisa landed at Playboy's modeling agency, where she was chosen to be a Playmate.

She appeared in 1984's Revenge of the Nerds as Suzy, a sorority girl, and in 1981's History of the World: Part I as a Vestal Virgin.

After her Playmate duties and an acting career, she married and settled in an avocado ranch in Malibu, outside of Los Angeles, where she and her husband have raised nine children, including her three stepchildren. She's a painter and photographer. She sells her paintings to greeting card companies. The couple also maintain their own vineyard and make their own wine. The ranch has been the host of several TV shows, including Dynasty and a season of The Biggest Loser