Agni Natchathiram (English: Star of Fire) is a 1988 Indian Tamil action-drama film directed by Mani Ratnam. The film is about two half-brothers who come into conflict with each other in their claim for legitimacy as sons of a common father. Prabhu and Karthik played the lead roles along with Amala and Nirosha as their pairs. This film marks the debut film for Nirosha. The film's score and soundtrack composed by Ilaiyaraaja was well received. The film was a blockbuster and completed a 200-day run at the box office.