Brahmachari Walisinghe Harischandra (Sinhala:බ්රහ්මචාරී වලිසිංහ හරිශ්චන්ද්ර; 9 July 1876 – 13 September 1913 ) was a social reformer, historian, author and revivalist of Sri Lankan Buddhism. He was a follower of Anagarika Dharmapala, who gave leadership to the Buddhist revivalist movement, after the lead given by Colonel Henry Steel Olcott. Walisinghe Harischandra is also regarded as the saviour of the citadel of Buddhism in Sri Lanka, Anuradhapura.