The 57th Otaman Kost Hordiienko Motorized Brigade (Ukrainian: 57-ма окрема мотопіхотна бригада імені кошового отамана Костя Гордієнка (57 ОМПБр), romanized: 57-ma okrema motopikhotna bryhada imeni koshovoho otamana Kostia Hordiienka (57 OMPBr)) is a formation of the Ukrainian Ground Forces.

The brigade was formed beginning in November 2014 in the city of Kropyvnytskyi in Kirovohrad Oblast.

On 6 May 2019, the brigade received the honorary name of Kost Hordiienko, a Zaporozhian Cossack Kosh otaman of the 18th century.

[2] During the 2022 Russian invasion of Ukraine, the brigade received the recently established "For Courage and Bravery" award by Ukrainian president Volodymyr Zelenskyy for liberating a number of settlements in the Kherson Oblast.

[3] At the time of the Russian invasion of Ukraine, the brigade was stationed in the Luhansk Oblast.