Lepra (Leprosy Relief Association) is a UK-based international charity established on January 31st, 1924, working to diagnose, treat, and rehabilitate people with leprosy. Lepra currently works in India, Bangladesh and Zimbabwe.

Throughout Lepra's history, the reigning British monarch has always been Lepra's patron. King George VI became the first of the Royal family to sponsor children through their adoption scheme at the time but Queen Elizabeth II became Patron of the British Empire Leprosy Relief Association (BELRA) in 1952 following his death. The Duke of Gloucester, Prince Richard(KG, GCVO), is the current Vice President of Lepra.

Lepra is a member of the International Federation of Anti-Leprosy Associations (ILEP), a federation of international non-governmental organisations committed to creating a world free of leprosy and of The UK Coalition against Neglected Tropical Diseases, a collaborative partnership between UK organisations actively engaged in the implementation and research of neglected tropical disease control. Other partners of Lepra include Lepra India, London School of Hygiene and Tropical Medicine, the World Health Organization, and the BIG Lottery Fund, as well as a range of corporate partners.