Maria Ugolkova (Russian: Мария Юрьевна Уголькова; born 18 July 1989) is a Swiss swimmer specializing in the 200 metres medley.

Ugolkova holds multiple Swiss Swimming National Records, including the 200 Freestyle, 200 Backstroke, 100 Butterfly, 100 Medley, 200 Medley, and many more relay records both in short course pools and long course pools.

[3] She participated at the 2016 Rio Summer Olympics, swimming the women's 4x100m freestyle relay, 100m freestyle, and 200m individual medley, representing the Swiss Olympic Team.

[4] She also swam in the 200m individual medley at the 2018 European Championships in Glasgow, and came third during the final, swimming a time of 2:10.83.

First place went to Katinka Hosszú from Hungary and second went to Ilaria Cusinato of Italy.