Unnai Charanadaindhen is a 2003 Indian Tamil romantic drama film directed by Samuthirakani, featuring Venkat Prabhu, S. P. B. Charan and Meera Vasudevan in lead roles. Samuthirakani's directorial debut, it was produced by Charan's Capital Film Works and features a soundtrack composed by S. P. Balasubrahmanyam. Although the film was made on a small budget and fetched critical acclaim upon release, also winning two Tamil Nadu State Film Awards, Charan has said that it was not a profitable venture. Samuthirakani later directed the Telugu remake Naalo.
he film's soundtrack was composed by noted playback singer S. P. Balasubrahmanyam, Charan's father, and consists of six songs with lyrics penned by Gangai Amaren, Venkat Prabhu's father. Balasubrahmanyam himself lent his voice for three songs, while noted composers M. S. Viswanathan and Ilaiyaraaja co-sang the first song of the album. Aside from Balasubrahmanyam, his sister S. P. Sailaja and his daughter Pallavi had also performed each one song. The film score was composed by Srinivasa Moorthy.