Karthi is one of the bankable stars in the Tamil film industry and is known for backing commercial entertainers and content-oriented films as well. He got married to Ranjini in 2011 and the couple welcomed their daughter Umaayal in 2013. After nearly eight years, Karthi and Ranjani welcomed another bundle of joy to their house. ON October 20, 2020, Karthi revealed that Ranjni gave birth to a healthy baby and wroote, "Dear friends and family, we are blessed with a boy baby. We can’t thank enough our doctors and nurses who took us through this life-changing experience. Need all your blessings for the little one. Thank you, god! (sic)."
கண்ணா,— Actor Karthi (@Karthi_Offl) March 17, 2021
அம்மாவும், அக்காவும், நானும் உனக்கு மிக ஆசையாக "கந்தன்" என்று பெயர் சூட்டி இருக்கிறோம். உன் வருகையால், நம் சுற்றம் மேலும் இனிமையாகட்டும்.