Jillian Kesner-Graver (August 9, 1949 – December 5, 2007) was an American actress and historian who worked with her husband, Gary Graver, to preserve the work and legacy of director Orson Welles. She was best known as an actress for playing Fonzie's girlfriend, Lorraine, on Happy Days.
Kesner-Graver was born in Portsmouth, Virginia, on August 9, 1949. Her father was in the United States Navy and she spent much of her childhood in Denver, Colorado. She first moved to Los Angeles in 1959 where she worked as a model before getting into television and movie acting.
Kesner-Graver was best known for playing Fonzie's girlfriend, Lorraine, on Happy Days. She was credited as Jillian Kesner on Happy Days, as well as her other television and movie roles. She appeared in a large number of "B-rated" films throughout the 1970s, 1980s and 1990s. Her credits included Raw Force, Starhops and Jaded. She developed a large following among fans of B-level action films.
She appeared on a number of television shows, including Three's Company, The Rockford Files and Mork & Mindy. She met her husband, director and cinematographer, Gary Graver, on the set of the film The Student Body in 1976.