Kazimierz Jelski (Lithuanian: Kazimieras Jelskis) (1782 – March 1867 in Vilnius, Lithuania) was a Polish-Lithuanian Classicist architect and sculptor active in Lithuania. Jelski was born in Ejsymonty near Grodno, today in Belarus. He was the son of Karol Jelski who was a Polish sculptor, painter and stucco artist. He first studied under his father. Between 1800 and 1808 he studied painting and architecture at the Vilnius University. For painting he studied under Laurynas Gucevičius and Franciszek Smuglewicz, architecture with and sculpture with . From 1809 he studied sculpture at the Imperial Academy of Arts. From 1811 to 1826, Jelski worked as a professor of the University of Vilnius, where he trained many renowned sculptors. In 1833, he unsuccessfully tried to get a job as a professor o