People with the last name Ostwald in Illinois
- Barry Ostwald
- Benjamin Ostwald
- Bethany Ostwald
- Donald Ostwald
- Doris Ostwald
- Elzbieta Ostwald
- Gary Ostwald
- Joyce Ostwald
- Kathleen Ostwald
- Lois Ostwald
- Matthew Ostwald
- Phil Ostwald
- Philipp Ostwald
- Phillip Ostwald
- Ray Ostwald
- Rich Ostwald
- Scott Ostwald
- Sharon Ostwald
- Vicki Ostwald
- Vicky Ostwald
- Wendi Ostwald
- Zofia Ostwald
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