People with the last name Kettwig in Illinois
- Bernadette Kettwig
- Bessie Kettwig
- Constance Kettwig
- David Kettwig
- Donald Kettwig
- Dorothy Kettwig
- Elena Kettwig
- Floyd Kettwig
- Gerald Kettwig
- Harold Kettwig
- Janice Kettwig
- Jeffrey Kettwig
- Joann Kettwig
- John Kettwig
- Justin Kettwig
- Larry Kettwig
- Marvlyn Kettwig
- Michael Kettwig
- Pamela Kettwig
- Walter Kettwig
<1>