This is the first study in Russia to explore Compulsive Sexual Behavior in HIV-infected men. The aims of the present study were to estimate the frequency of Compulsive Sexual Behavior in HIV-infected men in community-based sample in Saint-Petersburg, Russia. The study sample consisted of 119 HIV-infected men. Compulsive Sexual Behavior was found in 18 men who have sex with men and 7 men who have sex with women (29.5% and 12.1%). Our results suggest that Compulsive Sexual Behavior could be a significant risk factor for HIV-infection.