Jennifer Audrey Coolidge (born August 28, 1961) is an American actress. Primarily noted for her roles in comedic film and television, she may be best known for her roles as Jeanine "Stifler's Mom" Stifler in the American Pie film series (1999–2012) and as Paulette Bonafonté Parcelle in the Legally Blonde film series (2001–2003). She is a regular actor in Christopher Guest's mockumentary films, such as Best in Show (2000), A Mighty Wind (2003), For Your Consideration (2006), and Mascots (2016). Coolidge is an alumna of The Groundlings, an improv and sketch comedy troupe based in Los Angeles.

Coolidge also appeared in the films A Cinderella Story (2004), Robots (2005), Click (2006), Date Movie (2006), American Dreamz (2006), Epic Movie (2007), Igor (2008), Soul Men (2008), Gentlemen Broncos (2009), Austenland (2013), Like a Boss (2020), Promising Young Woman (2020), and Single All the Way (2021). On television, she is known for her roles as Roberta "Bobbie" Morganstern in the NBC sitcom Joey (2004–2006), Betty in the ABC Family teen drama series The Secret Life of the American Teenager (2008–2012), Zofia "Sophie" Kaczyński in the CBS sitcom 2 Broke Girls (2011–2017), and Tanya McQuoid in the HBO anthology series The White Lotus (2021), the latter of which earned her critical acclaim, winning a Primetime Emmy Award and a Critics' Choice Television Award, and receiving nominations for a Golden Globe Award and a Screen Actors Guild Award.