among MSM in northern Vietnam. Stigma differsby setting, but is present in both urban and rural areas, and negatively affectsrisk behaviorsamong MSM and their access to HIV prevention services. MSM in northern Vietnam need more venueswhere they can talk openly to other MSM. Men who attended MSMfriendly venuesoften received HIV education and prevention, and were able to discuss HIV prevention with other men. However, men will continue to face stigma in the larger community unless communitywide interventionsare developed to reduce discrimination.