Nancy Marie Pimental (born May 31, 1965) is one of the writers of South Park and the movie The Sweetest Thing. She also replaced Jimmy Kimmel as co-host of the Comedy Central game show Win Ben Stein's Money, a job she held from 2000 through 2001, when Jimmy Kimmel's cousin Sal Iacono replaced her.

Pimental is a native of Massachusetts, where she attended Somerset High School, graduating in 1983 and she graduated from the Worcester Polytechnic Institute with a degree in chemical engineering.

Pimental is best friends with actress Kate Walsh of Grey's Anatomy and Private Practice.

Pimental, a Massachusetts native, graduated from Worcester Polytechnic Institute with a degree in chemical engineering and studied classical acting at a theater conservatory in Boston. After moving to Los Angeles, she performed stand-up and improv comedy and was hired as a writer for Comedy Central's animated hit, "South Park" (1997) in March of 1998. In addition, she has sold her first screenplay to Columbia Studios, a romantic comedy which will star Cameron Diaz and is slated for production in March. She has also written a pilot for Warren Littlefield for NBC Studios and Fox starring Jenny McCarthy (I).