Rudra Thandavam () is a 1978 Indian Tamil-language devotional comedy film directed by K. Vijayan and written by A. Veerappan. It is based on Veerappan's 1976 play of the same name. The film stars Vijayakumar, V. K. Ramasamy, Nagesh and Sumithra. It revolves around Shiva taking a priest around the world to provide him with knowledge. The film was released on 29 September 1978, and became a success.
Ponnambalam, a poor priest, has a dream where Shiva takes him around the world to provide him with knowledge.
Filming took place at Vauhini Studios in Madras (now Chennai), and was completed in a single schedule.
Naagai Dharuman of Anna praised the performances, humour and music but felt the film did not give the same feel the play gave and the commercial inclusions diminished the importance of Shiva.