Dharmadasa can refer to: Dharmadāsa (), Indian author of the Sanskrit poetry and riddle collection Vidagdhamukhamaṇḍana I. M. Dharmadasa, Sri Lankan physicist Dharmadasa Walpola (1927–1983), Sri Lankan musician Dharmadasa Wanniarachchi (d. 2007), Sri Lankan politician Dharmadasa Banda (1938–2010), Sri Lankan politician