| Unit Name: | 4th Separate Motorized Rifle Brigade |
| Native Name: | 4-я отдельная мотострелковая бригада |
| Dates: | 2014–present |
| Allegiance: | Russia |
| Branch: | LPR People's Militia (2014–2022) (2022–present) |
| Role: | Motorized Brigade |
| Command Structure: | 2nd Army Corps |
| Garrison: | Alchevsk (2014 – April 2017) Khrustalnyi (April 2017 – present) |
| Battles: | War in Donbas Russian invasion of Ukraine |
The 4th Separate Motorized Rifle Brigade (Russian: 4-я отдельная мотострелковая бригада, 4 omбр; Military Unit Number 74347) is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the Luhansk People's Militia. It is attached to the 2nd Army Corps.
The brigade was formed in 2014. It took part in the War in Donbas.[1] The brigade's garrison was in Alchevsk.[2] In April 2017, the brigade moved it's garrison to Khrustalnyi.[3]
The brigade took part in the battle of Bakhmut in the Klishchiivka sector where it suffered heavy casualties including the brigade's commander Vyacheslav Makarov.[4] [5] In January 2023 it became attached to the 2nd Army Corps.[6] On 10 May 2024, the Institute for the Study of War reported that the brigade is operating near the village of Ivanivske.[7] The brigade is currently involved in the battle of Chasiv Yar.[8]