Natalia Kowalska (1918 – unknown) was a Polish chess master. She was a Women's World Chess Championship participant (1935).
In 1935, Natalia Kowalska participated in the first final of the Polish Women's Chess Championship and ranked 5th place.[1] Also she participated in the Warsaw Women's Chess Championship twice, where in 1935 Natalia Kowalska ranked 2nd place, and in 1936 she shared 6th – 8th place.
In 1935, in Warsaw Natalia Kowalska participated in the Women's World Chess Championship and shared 9th - 10th place (tournament won by Vera Menchik).[2]