Adolfas Valeška (15 March 1905, in Kybartai – 11 May 1994, in Kaunas, Lithuania) was a Lithuanian stained glass artist, painter, stage designer, and museum director who worked in Lithuania and in Chicago, Illinois.
Valeška graduated from the Kaunas Art School in 1928. He then began work as a church decorator, moving on to co-found a museum of religious art in Kaunas. From 1939 to 1944 he served as director of the Vilnius Art Museum. During this period his work was exhibited in a number of venues, including the International Exhibition of Decorative Arts in Paris, 1935; the International Press Exhibition at the Vatican, 1935; and the International Exhibition of Decorative Arts in Berlin, 1937, where he earned a medal for designing the Lithuanian Pavilion.
Anticipating the Soviet occupation of Lithuania at the end of World War II, in 1944 he emigrated first to West Germany and then to the United States, where he established a studio in Chicago. He designed and executed a number of stained glass works and mosaics, as well as acting as stage designer for the Lithuanian Opera Company of Chicago.
Valeska's work includes:
After Lithuania regained its independence in 1990, he returned to the country of his birth, where he died at the age of 89 in 1994.