The Saint Mary's police company (Ukrainian: Рота поліції «Свята Марія»), later known as Saint Mary's battalion, was a Ukrainian Christian volunteer police unit known for fighting against pro-Russian separatists in eastern Ukraine.

[2] From the beginning, the supporters of Brotherhood, a far right Ukrainian nationalist political party, founded the Company of Jesus Christ as part of the Azov Battalion.

After his disbandment, the company was enlarged into a battalion called St. Mary's and joined the structure of the Ministry of Internal Affairs, and later the National Police, where it was formally assigned to the special operations department.

[3] In the winter of 2014, the Saint Mary's Battalion continued to defend the strategically important city of Mariupol.

We are becoming real hunters - we need to feel the enemy, understand his tracks and plans" says Commander Seredyuk.

[4] Ternopil police officer Ivan Soldak, nickname "Brest", acted as an assistant commander for relations with state, public and volunteer organizations.