Hillside Atlanta is a nonprofit youth behavioral-health provider in Atlanta, Georgia. The organization describes itself as one of Atlanta's oldest nonprofit organizations, founded in 1888 and focused on children, adolescents, young adults, and families.

Hillside offers residential treatment, day treatment, virtual intensive outpatient therapy, intensive in-home therapy, community intervention, and aftercare planning. Its residential program is described as a 24-hour supervised setting for teens ages 11 to 17 whose psychiatric symptoms or behaviors require a higher level of care than outpatient treatment.

The residential program emphasizes dialectical behavior therapy. Hillside describes the program as the first residential treatment program certified by the DBT-Linehan Board of Certification.