INS Trinkat is a patrol vessel of the Indian Navy were designed and constructed by Garden Reach Shipbuilders and Engineers in Kolkata, West Bengal.

The patrol vessel carry out fisheries protection, anti-poaching, counter-insurgency and search-and-rescue operations in coastal areas and in the exclusive economic zone. This ship is named after Trinkat Island. The vessels of the class are named after islands from the Andaman and Nicobar Islands or the Lakshadweep Islands.

• Action of 30 March 2010
• List of active Indian Navy ships