People with the last name Osmonson in Illinois
- Brian Osmonson
- Bunny Osmonson
- Cassandra Osmonson
- Darwin Osmonson
- David Osmonson
- Deanna Osmonson
- Diane Osmonson
- Elyssa Osmonson
- Evelyn Osmonson
- Gary Osmonson
- Graham Osmonson
- Greg Osmonson
- Gregory Osmonson
- Harriet Osmonson
- Jana Osmonson
- Karen Osmonson
- Marc Osmonson
- Mary Osmonson
- Maxine Osmonson
- Michelle Osmonson
- Susanne Osmonson
- Thomas Osmonson
- Will Osmonson
- William Osmonson
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