Female college students are at risk for skin cancer due to tanning behaviors and sociocultural norms. The present study examines whether the association between tanning-related norms and UV protection efficacy differs by sorority membership. Female college students participated in a cross-sectional survey (N=120). Results revealed a stronger negative association between norms and efficacy for non-sorority versus sorority members. Findings emphasize the importance of examining sorority membership in relation to tanning behaviors and norms.