Mental health providers in the USA encounter the challenge and opportunity to engage the rapidly growing population of Hispanic older adults in evidence-based mental health treatments. This population underutilizes mental health services, despite comparable or slightly higher rates of mental illness compared with non-Hispanic White older adults. This review identified barriers and facilitators of mental health service use by Hispanic older adults in the USA to identify practice, policy, and research implications. Hispanic older adults face multiple compounding barriers to mental health service use. Issues related to identification of needs, availability of services, accessibility of services, and acceptability of mental healthcare treatment are discussed.