Piotr Krystian Domaradzki (June 21, 1946 – November 4, 2015) was a Polish-American journalist, essayist and historian. He had a longtime association with Chicago's Polish community. He worked for 30 years at "Dziennik Związkowy" ("Alliance Daily"), the oldest and largest Polish language newspaper in the United States. From October 2009 to March 2013, he served as the paper's editor-in-chief. He emigrated from Poland in 1984 and became a U.S. citizen in 1996.