Sri TM Krishna is married to Sangeetha (Sivakumar), a musician as well. Their marriage was on the 7th of November 1997. The couple is now having two kids, Arya and Anantha.

Other than music Sri. TM Krishna is a cricket and tennis fanatic to say the least.In his words, "I have hardly missed watching a single cricket match live in Chennai. Cricket is definitely one of the biggest passions in my life. My all time cricket hero will always remain Sunil Gavasker. I have collected in my school days possible all the major write-ups on him. Tennis is a game I used to play till very recently (I hope to renew that again). I was a great admirer of Boris Becker."