The Chief of the Naval Staff (CNS) is the office of the professional head of the Indian Navy (IN), the naval branch of the Indian Armed Forces. Customarily held by a four-star admiral, the CNS is the senior-most operational officer of the IN, tasked with the roles of supervising the force's overall functioning during peace and wartime, along with the execution of India's strategic maritime objectives, namely, the defence of the country's maritime sovereignty around its territorial waters, and the realization of both its domestic-cum-international security interests vis-à-vis maritime vigilance across international sea lines. Also a permanent member of the Chiefs of Staff Committee (COSC) and the National Security Council (NSC), the CNS also bears the responsibility of advising the nation's civilian leadership i.e., the Government of India on all matters privy to the IN.

The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates significantly in the Persian Gulf Region, the Horn of Africa, the Strait of Malacca, and routinely conducts anti-piracy operations and partners with other navies in the region. It also conducts routine two to three month-long deployments in the South and East China seas as well as in the western Mediterranean sea simultaneously.