The Mexican Navy is one of the two independent armed forces of Mexico. The actual naval forces are called the Armada de México. The Secretaría de Marina (SEMAR) (English: Naval Secretariat) includes both the Armada itself and the attached ministerial and civil service. The commander of the Navy is the Secretary of the Navy, who is both a cabinet minister and a career naval officer.

The Mexican Navy’s stated mission is “to use the naval force of the federation for external defense, and to help with internal order”. As of 2020, the Navy consists of about 68,200 men and women plus reserves, over 189 ships, and about 130 aircraft. The Navy attempts to maintain a constant modernization program to upgrade its response capability.