This article reviews the online-counseling literature with an emphasis on current applications and considerations for future research. It focuses on primary themes of counseling psychology including the history of process-outcome research and multiculturalism. It explores current gaps in the literature from a counseling psychology framework, including the field's focus on normal and developmental challenges and tasks, client strength and resilience, education and career development, prevention and wellness, and multiculturalism. In general, current evidence indicates that online counseling may be a viable service option for some clients, especially those who are typically isolated; however, questions remain regarding the effectiveness and appropriateness of online counseling.