Although research has examined intimate partner violence (IPV) within lesbian, gay, and bisexual (LGB) communities, contradictory evidence exists regarding variations in IPV within this diverse population. Using data from a nationally representative Canadian survey, we examined differences in rates and severity of LGB IPV based on sexual orientation, gender, sociodemographic factors, and previous experiences of discrimination. Individuals who were bisexual, younger, currently single, less educated, and who experienced physical/mental limitations were more likely to experience IPV. Compared to gays and lesbians, bisexuals reported more incidents of violence and higher rates of injury. Implications for research and theory development are provided.