Kotryna Teterevkova (born 23 January 2002) is a Lithuanian swimmer. She is the current national record holder in the 200-meter breastroke (long and short course) and 400-meter individual medley (long and short course). Teterevkova is also a member of Sostinės sporto centras, and is coached and trained by Michailas Romanovskis. She competed in the women's 100 metre breaststroke at the 2019 World Aquatics Championships held in Gwangju, South Korea. She represents LA Current in the International Swimming League.