People with the last name Sedlacko in Illinois
- Barbara Sedlacko
- Christopher Sedlacko
- Edwin Sedlacko
- Gary Sedlacko
- Gregory Sedlacko
- Joel Sedlacko
- Julia Sedlacko
- Kate Sedlacko
- Kathryn Sedlacko
- Nancy Sedlacko
- Neal Sedlacko
- Stephen Sedlacko
- Teresa Sedlacko
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