People with the last name Nickolaus in Illinois
- Adele Nickolaus
- Amy Nickolaus
- Bonnie Nickolaus
- Brian Nickolaus
- Charles Nickolaus
- Flossie Nickolaus
- Frank Nickolaus
- Frederick Nickolaus
- Helen Nickolaus
- Herman Nickolaus
- M Nickolaus
- Marc Nickolaus
- Melanie Nickolaus
- Nola Nickolaus
- Robert Nickolaus
- Shawn Nickolaus
- Shirley Nickolaus
<1>