Jennifer Mary "Jenna" Elfman (born September 30, 1971) is an American television and film actress, best known for her performances in the television comedies. She has also starred in various feature films, including voicing an Owl in Dr. Dolittle and Dorothy in Clifford's Really Big Movie.

For Disney, she played Tanya in the 1997 Hollywood Pictures film Grosse Pointe Blank, Professor Veronica Micelli in the 1998 Touchstone Pictures film Krippendorf's Tribe, Alex Rose in the ABC TV show Courting Alex, Lizzie Jones-Baker in the ABC TV show Brothers & Sisters, and Anna Reilly in the 2000 Touchstone Pictures film Keeping the Faith. She also voiced Mom's Maya in Special Agent Oso. Additionally, she played Alice in the ABC TV show Imaginary Mary.