Heidi Noelle Lenhart (born August 22, 1973) is an American actress. She starred as Jenny Garrison in the NBC teen comedy series California Dreams (1992–93) during its first season. Lenhart later went to star in the syndicated television drama Fame L.A. from 1997 to 1998, and had a recurring role in the final season of Fox prime time soap opera Beverly Hills, 90210 (2000).
In film, Lenhart played the leading role of Jennifer "Jenny" Caldwell in Au Pair (1999), and its two sequels Au Pair II (2002), and Au Pair 3: Adventure in Paradise (2009).
Lenhart is the daughter of the former Senior Advisor to the United States Mission to the United Nations and children's writer Cheryl Saban and Ray Lenhart, a long-time California disc jockey. She is a stepdaughter of Haim Saban of Saban Entertainment and she has an older sister named Tifanie Lenhart; as such she is sometimes credited as Heidi Saban. She was married to actor Robin Dunne.