<p>Sexual agency is recognized as a fundamental dimension of young people’s navigation of both pleasure and protection in their sexual lives. However, sexual agency is difficult to navigate in a social landscape where traditional gender ideologies remain powerful forces in young people’s experiences of sexuality. While prior research has examined how femininity ideologies constrain girls and women and masculinity ideologies constrain boys and men, studies have not investigated how femininity and masculinity may both work to shape sexual agency. Research on these relationships has further left unexplored sexual and gender minority individuals’ experiences. I explore the implications of femininity and masculinity ideologies and their interaction for sexual agency in service of pleasure (asking for what one wants sexually) and protection (saying no to unwanted sex and using contraception), for a sample of heterosexual and LGBQ+ women, men, and nonbinary emerging adults. For women and heterosexual men, masculinity ideology was negatively associated with sexual agency; femininity also played a role in heterosexual women’s agency in service of protection. In contrast, for nonbinary participants, only femininity ideology predicted lower sexual agency outcomes; masculinity and femininity played conflicting roles for LGBQ+ men in the sample. These findings underscore the importance of considering <i>both</i> femininity and masculinity ideologies as well as intersectional identities in understanding the role gender ideologies play in perpetuating inequities in sexual experiences for young people.</p>