100th Mechanized Brigade (Ukraine)
| 100th Separate Mechanized Brigade | |
|---|---|
| 100 окрема механізована бригада 100 okrema mekhanizovana bryhada | |
| Shoulder sleeve insignia | |
| Active | 27 June 2018 – present | 
| Country | Ukraine | 
| Branch | Ukrainian Ground Forces | 
| Role | Mechanized Infantry | 
| Size | 2,000 (April 2024) | 
| Part of | 10th Army Corps | 
| Garrison/HQ | Lutsk, Volyn Oblast | 
| Engagements | |
| Website | Official Facebook page | 
| Commanders | |
| Current commander | Colonel Ruslan Tkachuk (2022 - present) | 
| Notable commanders | Colonel Kucher Oleksandr (2018 - 2020) | 
| Insignia | |
| Field insignia | |
| Flag | |
| Former flag | |
The 100th Separate Mechanized Brigade (Ukrainian: 100 окрема механізована бригада, romanized: 100 okrema mekhanizovana bryhada), formally 100th Volyn Defense Brigade, is a formation of the Ukrainian Ground Forces formed on 27 June 2018. The brigade was a former Territorial Defense Brigade until being reformed in late March 2024 as a Mechanized Brigade.