|14th Mechanized Brigade|
|Branch||Ukrainian Ground Forces|
|Part of||Operational Command West|
|Engagements||War in Donbass|
|Colonel Oleksandr Zhakun|
The 14th Mechanized Brigade is a mechanized brigade of the Ukrainian Ground Forces. It was formed in December 2014 from elements of the disbanded 51st Mechanized Brigade and newly mobilized units. It is part of Operational Command West and based in Volodymyr-Volynskyi.
The brigade was formed on 1 December 2014 in Volodymyr Volynskyi, part of Operational Command West. It was led by Colonel Oleksandr Zhakun, former commander of the 13th Territorial Defence Battalion "Chernihiv-1".  The brigade was formed from the remnants of the 51st Mechanized Brigade, which had been disbanded earlier. It also included personnel from newly mobilized units. The brigade included 120 officers from the 51st. The 51st Brigade's reactive artillery battalion, tank battalion, antitank battery and repair battalion were transferred as whole units. The tank battalion was equipped with new tanks from the Lviv Tank Factory. The 1st Territorial Defence Battalion "Volyn" joined the brigade as the 99th Separate Mechanized Infantry Battalion.
In June 2015, the brigade was sent to the Donbass and is currently defending Krasnohorivka and Marinka. Reports from February 2016 indicate that there are frequent separatist mortar attacks in the brigade area of operations.
As of 2017 the brigade's structure is as follows: