The 390th Independent Guards Naval Infantry Brigade (Kazakh: 390-шы жеке гвардиялық теңіз жаяу әскерлері бригадасы; Russian: 390-я отдельная гвардейская бригада морской пехоты), also known as the Military Unit 25744 is a naval infantry brigade of the Kazakh Ground Forces.
When reforming the 80th Guards Training Motor Rifle Division, the brigade unit was created, being located offsite from the Otar Military Base.
The brigade was formed on the basis of the 55th Guards Motorized Rifle Regiment, which relocated from the village of Gvardeisky in Guryev, from which all regalia and honorary titles were located.
It was originally formed on 12 June 2002 in Atyrau as the 2nd Independent Guards Motorized Rifle Brigade of the Western Regional Command.
During a military parade on Constitution Day in Astana's Independence Square, Kazakh marines marched for the first time.