Asoka Weeraratna (December 12, 1918 – July 2, 1999) was a Sri Lankan (Sinhala) Buddhist missionary, who founded the German Dharmaduta Society in 1952. He is also the founder of the Berlin Buddhist Vihara, one of the oldest Buddhist temples in Europe and Mitirigala Nissarana Vanaya, a famous meditation monastery in the Western Province, Sri Lanka. Asoka Weeraratna later entered the Order of Buddhist monks in 1972 as Ven. Mitirigala Dhammanisanthi Thera and spent his later life as a forest monk at the Mitirigala Nissarana Vanaya for a period of 27 years.