Mayhill Hospital was a psychiatric and chemical-dependency hospital in Denton, Texas. Its official site states that the hospital stopped providing behavioral-health services on September 1, 2025.

Earlier public materials identified Mayhill as a Universal Health Services facility. North Texas mental-health resource lists placed Mayhill Hospital at 2809 South Mayhill Road in Denton, while University Behavioral Health of Denton operates at 2026 West University Drive (Mayhill Hospital, Dallas-area mental-health resources, UHS careers, University Behavioral Health of Denton).