Chinna Thambi is a 1991 Indian Tamil-language romantic musical drama film written and directed by P. Vasu. The film stars Prabhu as the titular character, an uneducated village simpleton and Khushbu as Nandini, a homeschooled wealthy girl. Manorama, Radha Ravi, Uday Prakash, Rajeshkumar, and Goundamani play supporting roles. The music was composed by Ilaiyaraaja, and the film released on 12 April 1991.

Vasudevan Peethambaram, known professionally as P Vasu, is an Indian director, writer and actor who works predominantly in Tamil and Kannada films apart from a few Telugu, Hindi, and Malayalam language films. In a career spanning three decades, Vasu has directed over 64 films to his credit.