Undressed is an American anthology series that aired on MTV from July 26, 1999, to September 5, 2002. The series was created and executive produced by British director Roland Joffé.

The series follows the relationships (both romantic and sexual) of young people, often high schoolers, college students, and twenty-somethings in the Los Angeles area. The series was controversial for its frank discussions about sex, including depictions of promiscuous behavior between teens as well as same-sex relationships.

Each season had several recurring characters with each episode focused on two or three specific characters with plotlines presented as interwoven vignettes. Some stories concluded at each season's end while others continued with variable duration. Undressed ran for six seasons, from July 26, 1999, to September 5, 2002.

The series featured early performances by actors who went on to more popular roles in television and cinema.

Season 1 ran from July to September 1999, and had 30 episodes.

Cast members included:

Season 2 ran from February to March 2000, and had 30 episodes.

Notable cast members included: