St. Hedwig refers to Hedwig of Silesia (1174–1243), Catholic saint and Duchess of Silesia and of Greater Poland.
St. Hedwig or St. Hedwig's may also refer to:
Roman Catholic parishes in the United States[edit]
- St. Hedwig Parish, Union City, Connecticut
- St. Hedwig Parish, Cambridge, Massachusetts
- St. Hedwig Parish, Southbridge, Massachusetts
- St. Hedwig's (Milwaukee), Wisconsin
Cathedrals and churches[edit]
- St. Hedwig's Cathedral, Berlin
- St. Hedwig's Church (Chicago), Illinois, United States
Other uses[edit]
- Jadwiga of Poland (1373 or 1374–1399), also spelled Hedwig, first queen of Poland and saint
- St. Hedwig, Texas, United States, a town
- St. Hedwig Cemetery (disambiguation)