This chapter discusses the representation of sex, gender, and sexuality from feminist and cultural studies perspectives. It covers the history of feminist waves and theories like liberal, socialist, difference, black, postcolonial, poststructuralist and postfeminism. It also examines the social construction of sex and gender through theorists like Foucault, Irigaray, and Butler. Additional topics include queer theory, masculinity, gender representation in media like films and toys, and issues of gender in cyberculture.