Neelavanam (translating from Telugu as "Blue Sky") is a 1965 Indian Tamil-language film directed by P. Madhavan and produced by Varathan.
The lead actors are Sivaji Ganesan and Devika, with Rajasri also featured in the cast.
The plot revolves around Babu, who frequently hitchhikes to his workplace, Shanthi Theatre, where he meets Vimala, a stranger. They begin meeting and fall in love, but their relationship faces opposition from Prakash's uncle upon discovering them together.
Neela Vaanam (the film's title) was released on 10 December 1965.