People with the last name Seigfried in Illinois
- Alan Seigfried
- Brenden Seigfried
- Brittany Seigfried
- Charlene Seigfried
- Chris Seigfried
- Cleve Seigfried
- Dennis Seigfried
- Hans Seigfried
- James Seigfried
- John Seigfried
- Karl Seigfried
- Kc Seigfried
- Marcia Seigfried
- Mark Seigfried
- Patricia Seigfried
- Samantha Seigfried
- Sandy Seigfried
- Therese Seigfried
- Timothy Seigfried
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