Kasia Gruchalla-Wesierski (born March 31, 1991) is a Canadian rower.

[1] Gruchalla-Wesierski was originally an alpine skier, however a broken leg injury resulted in her switching to rowing.

[1] In June 2021, Gruchalla-Wesierski was named to Canada's 2020 Olympic team in the women's eights boat.

[3][4] At the Olympics, the boat won the gold medal, Canada's first in the event since 1992.

This biographical article relating to Canadian rowing is a stub.