T.G. Thyagarajan is an Indian film producer who works in the Tamil film industry. He is the founder of the production and distribution company Sathya Jyothi Films, and has produced close to 20 films in career spanning over three decades. The 1982 romantic drama Moondram Pirai, the 1990 film Kizhakku Vasal and Parthiban Kanavu (2003) are films produced by Thyagarajan which have won the Tamil Nadu State Film Awards. Other significant production credits include Pagal Nilavu (1985), Jayamkondaan (2008), Thodari (2016) and the 2017 spy-thriller Vivegam.