Cittaviveka, commonly known as Chithurst Buddhist Monastery, is an English Theravada Buddhist monastery in the Thai Forest Tradition. It is situated in West Sussex, England in the hamlet of Chithurst between Midhurst and Petersfield. It was established in 1979 in accordance with the aims of the English Sangha Trust, a charity founded in 1956 to support the ordination and training of Buddhist monks (bhikkhus) in the West. The current abbot, since 2019, is Ajahn Ahimsako.