The Third Sex may refer to:
The Third Sex (band), an American queercore band The Third Sex (film), the working title of the 1957 German film Different from You and Me "The Third Sex", an episode of the American TV series Taboo Das 3. Geschlecht ("The Third Sex"), a German magazine
See also Third gender, a concept in which individuals are categorized, either by themselves or by society, as neither a man or woman