People with the last name Jonasen in Illinois
- Brian Jonasen
- Carolyn Jonasen
- Daniel Jonasen
- Erik Jonasen
- Jacob Jonasen
- Jan Jonasen
- Jenni Jonasen
- Jennifer Jonasen
- Jon Jonasen
- Jonasen Jonasen
- Kacie Jonasen
- Karen Jonasen
- Keith Jonasen
- Kevin Jonasen
- Laura Jonasen
- Lea Jonasen
- Leif Jonasen
- Mary Jonasen
- Nancy Jonasen
- Nels Jonasen
- Patrick Jonasen
- Peter Jonasen
- Sandra Jonasen
- Shirley Jonasen
- Tyler Jonasen
- Victoria Jonasen
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