Nicholle Tom, born on March 23, 1978, in Hinsdale, Illinois, is an American actress best known for her role as Maggie Sheffield on the CBS sitcom "The Nanny" from 1993 to 1999. She began her career as a child actress, appearing in commercials and television shows.

Her first major role came in 1992 when she played Ryce Newton in the film "Beethoven" and its sequel "Beethoven's 2nd". She also voiced Ryce in the animated series "Beethoven" and Supergirl in the DC Animated Universe.

Nicholle Tom is the twin sister of actor David Tom and has an older sister, actress Heather Tom. The family moved from Chicago to Los Angeles when Nicholle was young, and her mother worked as a speech therapist while the children pursued acting careers. She studied acting at Young Actors Space and made guest appearances on shows like "The Fresh Prince of Bel-Air" and "Beverly Hills, 90210".

In addition to "The Nanny," she has appeared in various films and TV shows, including "The Princess Diaries" series, "Charmed," "7th Heaven," and "ER." She starred in the TV movie "The Sterling Chase" in 1999 and played Tracy in the crime thriller "Panic" in 2000.