Dharmaditya Dharmacharya (Nepali: धर्मादित्य धर्माचार्य) (born Jagat Man Vaidya) (1902–1963) was a Nepalese author, Buddhist scholar and language activist.

On his visits to Kathmandu during the holidays, he organized Buddhist programs and exhibitions of religious pictures he had collected in Kolkata.

He encouraged its members to read Buddhist books and translated articles in English and Pali into Nepal Bhasa.

[9] It contained articles on Buddhism and also provided writers in Nepal a place to publish their compositions which they couldn't do at home because of the government's dislike of the language.

He joined the Industry Council as an administrative officer and married Asta Maya and settled down into the life of a householder.