The Project 58181 Centaur (Kentavr)/Project 58503 Centaur-LK class is a series of small armored assault craft being built for the Ukrainian Navy. The first two vessels were laid down at the Kuznya na Rybalskomu in December 2016. The 58181 project was developed by State Research and Design Shipbuilding Center on the basis of the Gyurza-M-class gunboats, and the 58503 project number was assigned to the altered design used after construction of the first eight units began (by the contractor that oversaw their construction, PJSC ZLK. Designed for carrying patrol service on rivers and coastal maritime areas, delivery and landing of marines.

The Ukrainian Navy is the maritime forces of Ukraine and one of the five branches of the Armed Forces of Ukraine.