Attention-deficit/hyperactivity disorder (ADHD) is one of the most prevalent psychiatric disorders diagnosed in children and adolescents (youth). ADHD is equally distributed geographically, but services are not. Access to expert evaluation and treatment remains limited for youth with ADHD living in rural areas, as well as for ethnic and racial minority youth. Telepsychiatry is a service delivery model with the potential to reach these youth and to develop collaborative models of care among local primary care physicians, remote telepsychiatrists, and local families. Care delivered through telepsychiatry can readily adhere to the practice parameters of the American Academy of Child and Adolescent Psychiatry. Work to date indicates that ADHD is the most common disorder treated through telepsychiatry. This article reviews the status of child and adolescent telepsychiatry, with particular focus on its potential to improve the care and outcomes of underserved populations of youth diagnosed with ADHD.