| 21st Mechanized Brigade | |
|---|---|
| 21-ша окрема механізована бригада | |
| Active | 28 February 2023 |
| Country | |
| Branch | |
| Type | Brigade |
| Role | |
| Part of | |
| Garrison/HQ | Podilsk, Odesa Oblast |
| Motto | Always Free |
| Engagements | |
| Decorations | For Courage and Bravery |
| Website | Official Facebook page |
| Commanders | |
| Current commander | Colonel Yaroslav Tarasenko |
| Insignia | |
| Old insignia | |
The 21st Separate Mechanized Brigade (MUN A4689) is a formation of the Ukrainian Ground Forces.

On 11 June 2023, during the 2023 Ukrainian offensive, it was reported that elements of the Brigade had taken part in an assault near Orikhiv in the Zaporizhzhia region involving German-made Leopard 2 tanks.
On 6 December 2024, armed forces day, the battle flag was presented to the unit by the President of Ukraine Volodymyr Zelenskyy.
The unit took part in combat in the eastern Bakhmut and north-eastern Kupyansk sectors. Later it thought at the Kharkiv front. The brigade was also one of the elements that operated in Russian territory during the Kursk campaign.
On 23 August 2025 the unit was awarded the honorary award For Courage and Bravery by the President.

21st Mechanized Brigade
The Brigade is equipped with western donated tanks and IFVs.
| Type | Image | Origin | Number | Note | |
|---|---|---|---|---|---|
| Armored Fighting Vehicles | |||||
| CV-90 | Sweden | ? | Donated by Sweden | ||
| Rosomak | Poland | ? | Donated by Poland | ||
| Tanks | |||||
| Stridsvagn 122 | Sweden | ? | Donated by Sweden | ||
| Leopard 2A6 | Germany | ? | Donated by Germany and Portugal | ||
"There were more of them than we expected," said a 35-year-old platoon commander with Ukraine's 21st Mechanized Brigade, who took part in an assault near Orikhiv in the southern Zaporizhzhia region... A tank mechanic with the Ukrainian 21st brigade said further tanks had sustained significant damage but had been safely removed from the battlefield, including at least one that was towed out... The platoon commander with the 21st brigade said the Leopards were performing well, even though a few had been lost.