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

• All pages with titles containing Thiagarajan
• All pages with titles containing Thiagarajar
• All pages with titles containing Thyagaraja
• All pages with titles containing Tyagaraja
• 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

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