Undressed is a television series on MTV that was first broadcast in 1999. It was an anthology series that followed the relationships (both sexual and romantic) 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 gay and lesbian relationships. The show's Head Writers were Michael Grodner and Swith Bell, while Neil Landau served as the co-head writer.

Each season had several recurring characters with each episode focused on two or three specific characters with plotlines presented as interleaved vignettes. Undressed ran for 6 seasons, from Monday, 26 July, 1999 to Thursday, 5 September, 2002. The final season of the series was produced in Canada.