Purpose <p>Prior research has identified minority stressors, trait anger/hostility, and substance use as risk factors for intimate partner violence (IPV) perpetration among sexual minority young adults. However, few studies have identified patterns of IPV perpetration tactics and examined whether these risk factors are associated with latent classes of cyber and in-person IPV perpetration in sexual minority young adults.</p> Method <p>We used latent class analysis to identify patterns of in-person (i.e., verbal/emotional, physical, sexual, threatening, identity abuse) and cyber (i.e., direct aggression, monitoring/controlling, sexual abuse) IPV perpetration tactics in U.S. sexual minority young adults between 18 and 25 years old (<i>N</i> = 342). Next, we tested whether latent classes differed by minority stressors, trait anger/hostility, and substance use/problems.</p> Results <p>We identified three latent classes: (1) high cyber and in-person IPV, (2) psychological IPV, and (3) low cyber and in-person IPV. Individuals in the high cyber and in-person IPV class had higher levels of drug use/problems and internalized heterosexism than all other classes. Additionally, the high cyber and in-person IPV class, as well as the psychological IPV class, had higher levels of trait anger/hostility relative to the low cyber and in-person IPV class.</p> Conclusions <p>Results highlight the co-occurring nature of IPV tactics that may be perpetrated by sexual minority young adults. Findings suggest that interventions focused on reducing trait anger/hostility, drug use/problems, and internalized heterosexism may be particularly beneficial for sexual minority young adults who perpetrate multiple IPV tactics.</p>