Ekaterina Andreevna Kazionova (Russian: Екатерина Андреевна Казионова; born 13 January 1999) is a Russian tennis player.

Kazionova has career-high WTA rankings of 280 in singles and 310 in doubles.

Up to date, she has won three singles titles and ten doubles tournaments on the ITF Circuit.

[2] Kazionova made her WTA Tour main-draw debut at the 2022 Morocco Open, after receiving a wildcard entry into the doubles tournament, partnering with Yasmine Kabbaj.

This biographical article relating to Russian tennis is a stub.