Kowalska is a common Polish surname, often associated with individuals of Polish descent. It is derived from the word "kowal," meaning "blacksmith" in Polish, indicating a historical connection to the trade. The name is prevalent in Poland and among Polish communities worldwide. In addition to being a surname, Kowalska can also refer to notable figures, such as Saint Faustina Kowalska, a Polish nun known for her visions of Jesus and the message of Divine Mercy. Her life and writings have had a significant impact on the Catholic Church and its teachings on mercy and forgiveness.