Lisa Valentine Clark is an Mormon actor, writer, producer, and radio host. She graduated with a bachelor’s degree in English from Brigham Young University, where she was part of the sketch/comedy troupe “The Garrens” from 1995 to 2000. She co-founded the theater-as-improv troupe “The Thrillionaires.”

Clark is the host of "The Lisa Show" on BYUradio. She was one of the hosts of BYU-TV's "Random Acts." She played the character Gracie Moore in the award-winning web series Pretty Darn Funny, for which she was also writer and producer. She appeared in the film Once I Was a Beehive (2015) and was also co-producer. Of her first experience as a movie producer, she said, “It was pretty intense, a lot of fun, a lot of work, stretched me in many ways, and was ultimately a deeply creative, satisfying process. Not unlike parenthood.” She also appeared in Stalking Santa (2006).

She is the author of Real Moms: Making It Up as We Go.

She and her husband, Christopher, are the parents of five children and live in Provo, Utah. She is a member of The Church of Jesus Christ of Latter-day Saints. Christopher had Lou Gehrig's disease (ALS) and passed away in June 2020.

Clark is the older sister of James Valentine, lead guitarist for Grammy-winning Maroon 5; Gina Valentine James, director of communications for the Utah Association of Public Charter Schools; and Amanda Valentine Holland, a Nashville-based clothing designer and wardrobe stylist who competed on television’s Project Runway. Her older brother Chris is a physician.