The Vietnam People's Navy, internally the Naval Service, also known as the Vietnamese People's Navy or simply Vietnam/Vietnamese Navy, is the naval branch of the Vietnam People's Army and is responsible for the protection of the country's national waters, islands, and interests of the maritime economy, as well as for the co-ordination of maritime police, customs service and the border defence force.

The People's Army of Vietnam (PAVN), officially the Vietnam People's Army, also recognized as the Vietnamese Army or the People's Army, is the national military force of the Socialist Republic of Vietnam and the armed wing of the ruling Communist Party of Vietnam (CPV). The PAVN is a part of the Vietnam People's Armed Forces and includes: Ground Force, Navy, Air Force, Border Guard and Coast Guard. Vietnam does not have a separate Ground Force or Army service. All ground troops, army corps, military districts and special forces belong to the Ministry of National Defence, directly under the command of the CPV Central Military Commission, the Minister of National Defence, and the General Staff of the Vietnam People's Army. The military flag of the PAVN is the National flag of the Socialist Republic of Vietnam defaced with the motto Quyết thắng added in yellow at the top left.