Papanasam is a town in Thanjavur district in the Indian state of Tamil Nadu. It may also refer to:
Papanasa (), epithet of the Hindu deities Shiva and Vishnu
Film Papanasam (film), an Indian Tamil-language thriller film by Jeethu Joseph featuring Kamal Haasan
Places Papanasam taluk, a taluk in Thanjavur district in the Indian state of Tamil Nadu Papanasam block, a revenue block in the Papanasam taluk of Thanjavur district in the Indian state of Tamil Nadu Papanasam (State Assembly Constituency), a state assembly constituency in the Indian state of Tamil Nadu Papanasam, Tirunelveli, a famous picnic spot in Tirunelveli district in the Indian state of Tamil Nadu Papanasam Dam, a dam in Tirunelveli district in the Indian state of Tamil Nadu Varkala Beach, a beach in Varkala, in the Indian state of Kerala
People Papanasam Sivan (1890-1973), a prominent composer of Carnatic music and a singer