OMBr is an abbreviation meaning separate mechanized brigade (Ukrainian: Окрема механізована бригада, romanized: Okrema mekhanizovana bryhada)
OMBr may refer to:
- 14th Mechanized Brigade (Ukraine)
- 21st Mechanized Brigade (Ukraine)
- 22nd Mechanized Brigade (Ukraine)
- 33rd Mechanized Brigade (Ukraine)
- 41st Mechanized Brigade (Ukraine)
- 63rd Mechanized Brigade (Ukraine)
- 66th Mechanized Brigade (Ukraine)
- 67th Mechanized Brigade (Ukraine)
- 92nd Mechanized Brigade (Ukraine)
- 93rd Mechanized Brigade (Ukraine)
- 115th Mechanized Brigade (Ukraine)