Diamond Grove Center is a behavioral-health facility in Louisville, Mississippi. Its official materials describe acute, long-term residential, and day-treatment services for children and adolescents with emotional, psychological, or behavioral difficulties.

Mississippi Department of Health materials from 2024 identify Diamond Grove Center at 2311 Highway 15 South and state that it was licensed for 25 acute child/adolescent psychiatric beds and 32 psychiatric residential treatment-facility beds. Diamond Grove's public materials describe a residential psychiatric program for adolescent males ages 12-17 and broader child and adolescent services for ages 5-17.