Flag Officer Commanding Tamil Nadu & Puducherry Naval Area (FOTNA) is a senior appointment in the Indian Navy.

The FOTNA is responsible for the operations and administration of all units and establishments in the state of Tamil Nadu and the union territory of Puducherry.

The Commanding Officer INS Kattabomman dual-hatted as the NOIC(T) with the responsibility of local naval defence along the coast from the Gulf of Mannar up to Kerala.

[2] In November 2015, the billet was upgraded to two-star rank and rechristened Flag Officer Commanding Tamil Nadu & Puducherry Naval Area (FOTNA).

The FOTNA is responsible to the Flag Officer Commanding-in-Chief Eastern Naval Command for the operations and administration of all units and establishments in Tamil Nadu and Puducherry.