Stefan Wincenty Frelichowski (22 January 1913 – 23 February 1945) was a Polish Roman Catholic priest.
He was part of the scouts and was affiliated with several other groups during the course of his ecclesial education though maintained strong links to these groups after his ordination to the priesthood.
He was arrested not long after World War II began and the Gestapo moved him to several concentration camps before sending him to Dachau where he died from disease.Frelichowski was beatified in Poland in 1998.