Kathy Ann Najimy (born 6 February 1957) is an American actress, best known as Olive Massery on the television series Veronica's Closet and the voice of Peggy Hill on the animated television series King of the Hill.
Najimy was born in San Diego, California and is of Lebanese descent. Her film career began in the early 1990's with a number of off-beat minor roles, but her first major role was in the 1992 comedy Sister Act, in the role of Sister Mary Patrick. She reprised this role in the 1993 in Sister Act 2.
From film, Najimy expanded into television roles, including a recurring role on Chicago Hope. Najimy was part of the cast of Veronica's Closet from 1997 to 2000. She also co-wrote and starred in the theatrical production The Kathy and Mo Show. Beginning in 1997, she provided the voice of Peggy Hill on the animated series King of the Hill.
Najimy married Dan Finnerty in August 1995; her first daughter was born in 1996. Najimy is also noted as a activist for homosexual rights.