Konstanty Laszczka (born September 3, 1865 in Makowiec Duży, died March 23, 1956, in Kraków) was a Polish sculptor, painter, graphic artist, as well as professor and rector of the Jan Matejko Academy of Fine Arts in Kraków. Laszczka became the Rector of the Academy in 1911, however, for family reasons he resigned from this function in 1912.
Laszczka was born into a large farming family in Masovia, the son of Antoni Laszczka and his wife Katarzyna, from Kupce village. His talent was first discovered by the Ostrowscy family of landed gentry who sponsored his art studies in Warsaw in 1885 under the tutorage of Jan Kryński and Ludwik Pyrowicz.
Soon later Laszczka received a scholarship from the Polish Society of Visual Arts (Towarzystwo Sztuk Pięknych) called "Zachęta" and went to Paris in 1891. While in France, he studied at the École nationale supérieure des Beaux-Arts Academy. He received directions from such artists as Jean-Antoine Mercié, Alexandre Falguiere and Jean-Léon Gérôme. He was also involved in the arts movement of the French Polonia. In 1897 Laszczka returned to Poland under foreign partitions and became a teacher in Warsaw.
In 1899 at the invitation of painter Julian Fałat, Laszczka settled in Kraków where he became the professor at the Academy of Fine Arts. In years 1900-1935 he was a director at the Sculpture Department there.
While in Kraków, Konstanty Laszczka became close friends with Stanisław Wyspiański and Leon Wyczółkowski. He was one of the founding members of the Society of Polish Artists called "Sztuka" (Art), with the aesthetic philosophy of the Young Poland Movement. Among his students were: Stanisław Jackowski, Bolesław Biegas, Xawery Dunikowski, Ludwik Konarzewski, Franciszek Mączyński and Olga Niewska, among others. In years 1900-1910 he also cooperated as graphic designer and sculptor with ceramic factory of Józef Niedźwiecki in nearby Dębniki. His son, Bogdan Laszczka, became an architect and activist of the Polish Tatra Society. Laszczka died in Kraków at the end of the Stalinist period and was buried there at the famous Rakowicki Cemetery.