Adams ZW, Taylor BG, Flanagan E, et al. - Researchers aimed at examining social stigma, discrimination, and policy attitudes about opioid use disorder (OUD) in young adults. In addition, they hypothesized the correlates of such attitudes (familiarity with OUD, criminal justice involvement, respondent demographic characteristics). Data were obtained via web and telephone surveys on opioid social stigma, discrimination, policy attitudes, personal experience with opioids, and criminal justice, and participant features (age, gender, race, education, employment, income) in a national sample of 190 young adults (weighted n = 408; 69% female, 42% White, non-Hispanic) aged 19–29 years. On average, moderate levels of stigma and discrimination are endorsed by young adults toward people with OUD and support for treatment-oriented policies. Stigma was noted to be positively linked with discrimination and negatively linked with support for policies favorable to people with OUD. Regression outcomes revealed endorsement of more negative attitudes toward OUD as a function of older age and less personal experience or familiarity with OUD.