The Maritime Industry Authority (Filipino: Pangasiwaan sa Industriyang Maritima[4][5]), known by the acronym MARINA (Tagalog: [mɐˈɾina]), is an agency of the Philippine government under the Department of Transportation responsible for integrating the development, promotion and regulation of the maritime industry in the Philippines.

The Maritime Industry Authority (MARINA) was created on June 1, 1974 with the issuance of Presidential Decree No.

The powers and functions of the department and the agencies under its umbrella were defined, further increasing MARINA's responsibility to the industry.

[11][12] MARINA has jurisdiction over the development, promotion and regulation of all enterprises engaged in the business of designing, constructing, manufacturing, acquiring, operating, supplying, repairing, and/or maintaining vessels, or component parts thereof, of managing and/or operating shipping lines, shipyards, drydocks, marine railways, marine repair ships, shipping and freight forwarding agencies and similar enterprises.

The agency also has authority to investigate and penalize foreign shipping vessels entering the territorial waters of the Philippines that are performing "suspicious activities.