Brahmachari Walisingha Harischandra Museum (Sinhala: වලිසිංහ හරිශ්චන්ද්‍ර කෞතුකාගාරය සහ සංස්කෘතික මධ්‍යස්ථානය) is located in Negombo, Western Province, Sri Lanka.

Named after the Buddhist revivalist, social reformer and writer Walisinghe Harischandra (1876-1913).

The museum was established in 1996 and is housed in Harischandra's former residence, Mahagedara, which is managed by the Walisinghe Hariswandra Cultural Centre.

[1] The residence was transferred to the Ministry of Culture and Religious Affairs on 24 June 2011.

[2] The museum contains furniture, book, diaries and personal effects used by Harischandra, together with local objects and artifacts from his era.