T. Rajendar is married to former actress Usha. They have two sons, Silambarasan and Kuralarasan, and one daughter, Ilakiya. His wife has served as the producer for some of his films, such as Kadhal Azhivathillai. He produced first film Thangaikkor Geetham. Rajendar recently started his own web TV channel called 'Kural TV' (Voice TV). Originally he wanted to start a 24-hour TV channel but could not due to problems arising while securing a license. The channel, apart from broadcasting his movies and speeches, tends to echo sentiments towards the plight of Tamils (especially women) in Sri Lanka.