Bolesław Leśmian (actually Bolesław Lesman) was a Polish poet of Jewish descent. He was an artist and member of the Polish Academy of Literature. He was one of the most influential poets of the early 20th century in Poland, one of the best poets of 20th century and cousin of another notable poet of the epoch - Jan Brzechwa and a nephew of famous poet and writer of Young Poland - Antoni Lange.