Stefan Łodzieski (1882 - April 24, 1951) was a Polish-American baker and social activist.

Born in Wierzbno in 1882, Łodzieski immigrated to the United States in 1902, where he settled in Lakewood, Ohio.

He was active in the Polish National Defense Committee and the Komitet Wykonawczy Szkół Dokształcających.

Łodzieski was one of the founders of the National Committee of Americans of Polish Extraction (KNAPP) and served as one of the presidents of this organization.

In 1943, he was one of the founders of the Józef Piłsudski Institute of America and became its lifetime member in December.