INS Talwar (F40) is the lead ship of the Talwar-class frigates of the Indian Navy. Its name means "Sword" in Hindi. She was built in Russia, and commissioned into the Indian Navy on 18 June 2003.

The Talwar-class frigates or Project 11356 are a class of stealth guided missile frigates designed and built by Russia for the Indian Navy. The Talwar-class guided missile frigates are the improved versions of the Krivak III-class frigates used by the Russian Coast Guard. The design has been further developed as the Admiral Grigorovich-class frigate for the Russian Navy. Six ships were built in two batches between 1999 and 2013.