The 126th Separate Guards Gorlovskaya Twice Red Banner, Order of the Suvorov Coastal Defense Brigade is a formation of the Coastal Defence Troops of the Russian Navy. Its Military Unit Number is 12676. It was granted the "Guards" honorific after suffering heavy losses in an unsuccessful attempt to capture Voznesensk, southern Ukraine, during the 2022 Russian invasion of Ukraine. The brigade is part of the 22nd Army Corps, Coastal Forces of the Russian Black Sea Fleet. The brigade's garrison is located in Perevalne, in the Simferopol region of the Russian-occupied Republic of Crimea.

The Coastal Troops are a service arm of the Russian Navy. Their missions are to protect Russian fleets' forces, personnel, and seashore objects from enemy surface ships; to defend naval bases and other important facilities of the Fleets from land attacks, including amphibious and air assaults; to participate in amphibious and air assaults; to support the Russian Ground Forces in defending against airborne and amphibious assaults; and to destroy enemy surface ships, boats and amphibious transports in their operational area.