Alexander (John) Karczynski (20/02/1882 - 23/12/1973), an American (of Polish descent) organist, composer, educator and editor, lived and worked in Chicago, Illinois.

Aleksander Jan Karczyński (von Sas Karczyński), a Polish organist, conductor and composer, who all his creative life was spent in the United States. He was the son of Ignatius - Pelplin watchmaker, and also the organist at the nearby New Church. Among his many siblings (Alexander was the sixth of eleven siblings) were three priests - including the Venerable Cyril Karczyński - and two nuns. A. Karczyński was a student of Pelplin Collegium Marianum, and then high school in Chelmno, where he joined the ranks of Philomath Pomeranian and was skazny w głośnym procesie of Toruń. For four years he studied at the Royal Academy of Music in Munich. In 1907 he was in the United States. There was a church organist Chicago (St. Peter and Paul, and then St. Innocents) and also took an active part in the life of the American Polonia not only as a musician (since 1927 was a general conductor of the Polish Singers Alliance of America). He was co-founder and secretary of the Polish Scientific Society. St. Hedwig. Edited issued by the Polish-American Review (Review of the Polish-American) and the monthly "Lute". He was a member of the Board of the Association of Writers and Dziennkikarzy Polish in America. He taught singing and Polish literature in Chicago colleges (Sacred Heart College and St. Ignatius College). In 1966 A. Karczyński retired and returned to his hometown of Pelplin, where, after his death he was buried next to his brother-priests. Alexander Karczyński is a composer, inter alia, Organ Sonata in B-flat minor, Op. 38. The three-part Sonata is one of the finest examples of late-Polish organ music.