Dharmaditya Dharmacharya (1902–1963) was a Nepalese author, Buddhist scholar and language activist. He worked to develop Nepal Bhasa and revive Theravada Buddhism when Nepal was ruled by the Rana dynasty and both were dangerous activities, and was consequently jailed.

Newar or Newari, known officially in Nepal as Nepal Bhasa, is a Sino-Tibetan language spoken by the Newar people, the indigenous inhabitants of Nepal Mandala, which consists of the Kathmandu Valley and surrounding regions in Nepal.