INS Tihayu (T93) is a fast attack craft of the in the Indian Navy and the third ship in the series of four Follow On Water Jet Fast Attack Craft (FOWJFAC). Named after Tihayu island of Nicobar archipelago the ship can have an additional package of about 11 machine guns of different variants. The ship equipped with enhanced firepower is capable of operating in shallow waters at high speed. Suited for extended coastal and offshore surveillance and patrol, production of the Car Nicobar-class ships by GRSE was fast-tracked after the 2008 Mumbai terror attacks. She participated at the International Fleet Review 2026 held at Visakapatanam.

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