Kārlis Rūdolfs Leonīds Blaumanis (1863–1908) was a Latvian writer, journalist and playwright. He is a renowned writer in Latvian history and a master of realism. The building of a flat in Riga that he once lived has been converted to a memorial museum named partially in his honor, the Janis Rozentāls and Rūdolfs Blaumanis museum.
