Thiagarajan (Sivanandam) is an Indian actor, director and producer.

Thiagarajan may also refer to: Given name Thiagarajan Kumararaja, Indian film director and screenwriter Thiagarajan Ramani, Indian musician Thiagarajan Sadasivam or Kalki Sadasivam, Indian freedom fighter Surname A. Thiagarajan, Indian politician Karate R. Thiagarajan, Indian politician N. Thiagarajan, Indian photojournalist and photographer N. R. Thiagarajan, Indian freedom fighter, congress leader and social activist Palanivel Thiagarajan, Indian politician Periasamy Thiagarajan, Indian politician Prashanth Thiagarajan, Indian actor and businessman Tara Thiagarajan, Indian neuroscientist and entrepreneur T. M. Thiagarajan, Indian vocalist and musicologist

See also

R. Thyagarajan (disambiguation) Tyaag (disambiguation) Tyagaraja, Carnatic composer Karumuttu Thiagarajan Chettiar, Indian independence activist and industrialist Thiagarajah, alternative form of the Indian name Tyagraj Khadilkar, Indian singer and music composer Thyagaraj Sports Complex, New Delhi, India