155th Guards Naval Infantry Brigade

The 155th Separate Guards Kursk Orders of Zhukov and Suvorov Naval Infantry Brigade named after twice Hero of the Russian Federation Major General M.E. Gudkov (Russian: 155-я отдельная гвардейская Курская орденов Жукова и Суворова бригада морской пехоты имени дважды Героя Российской Федерации генерал-майора М.Е.Гудкова) was a brigade-sized formation of the Russian Naval Infantry. It is located in the city of Vladivostok and the village of Slavyanka, Primorsky Krai. It was part of the Pacific Fleet. In Western sources the title is sometimes translated as "Marines." On December 1, 2025, the brigade was reformed into the 55th Guards Naval Infantry Division, though some assessments suggested that the division would likely not be "fully staffed" until the current war with Ukraine was concluded.

Since the 2022 Russian invasion of Ukraine, the brigade has taken part in the Russo-Ukrainian War, where it has fought near Kyiv, Pavlivka, Avdiivka, and Vuhledar. During its deployment to Ukraine, the unit has suffered heavy losses, with the Institute for the Study of War reporting that the brigade had been destroyed and reconstituted eight times by March 2023.

The unit has been accused of numerous war crimes in Ukraine, including beheading Ukrainian soldiers and executing prisoners of war.