People with the last name Swiecki in Illinois
- Ada Swiecki
- Alisa Swiecki
- Ann Swiecki
- Anna Swiecki
- Carol Swiecki
- Chester Swiecki
- Clifford Swiecki
- Craig Swiecki
- Crzecrorz Swiecki
- Czeslawa Swiecki
- Dominik Swiecki
- Dorothy Swiecki
- Edward Swiecki
- Eric Swiecki
- Eva Swiecki
- Frieda Swiecki
- Gabriela Swiecki
- Grzeborz Swiecki
- Grzegorz Swiecki
- Henry Swiecki
- Jeannette Swiecki
- Jeffrey Swiecki
- Josephine Swiecki
- Kenneth Swiecki
- Kimberlyjoy Swiecki
- Leszek Swiecki
- Mary Swiecki
- Matthew Swiecki
- Miroslawa Swiecki
- Patricia Swiecki
- Peggy Swiecki
- Radoslaw Swiecki
- Robert Swiecki
- Slawomir Swiecki
- Tadeusz Swiecki
- Thaddeus Swiecki
- Walter Swiecki
- Wayne Swiecki
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