Mikalojus Konstantinas Čiurlionis (September 22, 1875 –April 10, 1911) was a Lithuanian painter, composer and writer.
Čiurlionis contributed to symbolism and art nouveau and was representative of the fin de siècle epoch. He has been considered one of the pioneers of abstract art in Europe.
During his short life he composed about 400 pieces of music and created about 300 paintings, as well as many literary works and poems. The majority of his paintings are housed in the M. K. Čiurlionis National Art Museum in Kaunas, Lithuania. His works have had a profound influence on modern Lithuanian culture. The asteroid 2420 Čiurlionis is named after him.