Royal Trinity Hospice is the oldest hospice in the United Kingdom, founded in 1891 by a member of the Hoare banking family. It is located in Clapham Common, London, England, and provides specialist palliative care. In 2019 Royal Trinity Hospice was rated "Outstanding" by the Care Quality Commission, the highest rating that can be awarded. The hospice provides palliative and end of life care for patients in an inpatient unit at their Clapham Common headquarters and in the community, wherever patients may be living. In 2018 Trinity cared for 2,500 patients and in addition provided pre- and post-bereavement support for over 900 carers.

Royal Trinity Hospice provides its specialist services free of charge for those who need them across its community of over 750,000 people from central and south-west London (its catchment includes all of the London borough of Wandsworth and parts of the London boroughs of Kensington and Chelsea, Hammersmith and Fulham, Richmond upon Thames, Merton, Westminster and Lambeth. Trinity's current CEO is Emily Carter.