She is the daughter of Kannada actress Bhargavi Narayan and Belavadi Nanjundaiah Narayana (a.k.a. 'makeup nani' ), a Kannada film actor, and a makeup artist.[13] Her siblings are Sujatha, Prakash and Pradeep.[14] Prakash is an Indian theatre, film, television and media personality, and a National Film Award recipient, for his directorial film Stumble in 2002.[15]
Sudha is married to M.G.Sathya Rao and their children are Shantanu and Samyukta. Samyukta, is also a Kannada film actress.[16][17]