Karelle Tremblay is a Canadian film and television actress from Quebec. She garnered a Canadian Screen Award nomination for Best Actress at the 4th Canadian Screen Awards in 2016 for Our Loved Ones (Les Êtres chers).

She has also appeared in the films Amsterdam, Corbo and King Dave, and the television series Le Club des doigts croisés, 19-2 and Jérémie.