- Uintah Home Health and Hospice
- UMass Medical School
- UMass Memorial Healthcare
- UMC Health System
- United Church Homes
- United General District 304
- United Health Group
- United Health Services
- United Healthcare
- UnitedHealth Group
- Unity Health
- Unity Hospice
- Unity Hospice & Palliative Care
- Unity Hospice and Palliative Care
- Unity Hospice and Palliative Care of Greater Houston
- Unity Hospital
- Unity Psychiatric Care
- UnityPoint at Home
- UnityPoint Health
- UnityPointHealth