The People's Liberation Army Navy Marine Corps (PLANMC), also known as the People's Liberation Army Marine Corps (PLAMC), is the marine force of the People's Liberation Army (PLA) and one of five major branches of the People's Liberation Army Navy (PLAN) responsible for amphibious warfare, expeditionary operations and rapid responses. It currently consists of seven 6,000-man combined armed brigades and four other supporting brigades including aviation, engineering & chemical defense, artillery and service-support brigades for a total of 40,000. It further includes a brigade-level special operations unit called "Jiaolong Commando Unit"

Marines, or naval infantry, are soldiers who specialise at operating in littoral zones, both on land and at sea. Historically, the main tasks undertaken by marines have included raiding ashore in support of naval objectives, and the boarding of vessels during combat or capture of prize ships. Marines also help maintain discipline and order aboard the ship. In most countries, marines are an integral part of that state's navy.