Barnes Hospital, on South Worple Way, East Sheen,[1] in the London Borough of Richmond upon Thames, is a hospital managed by South West London and St George's Mental Health NHS Trust.

It provides community and inpatient mental health services.

[3] Its original purpose was to treat and care for patients with infectious diseases such as diphtheria and scarlet fever.

[3] Half of the hospital's site was sold to a residential developer in 2019.

In September 2020, plans were approved for a health centre and a Special Educational Needs school on the rest of the site: they are due to open in late 2023.