People with the last name Niswonger in Oklahoma
- Abigail Niswonger
- Agnes Niswonger
- Christina Niswonger
- Grace Niswonger
- Jathiayah Niswonger
- Jerry Niswonger
- Leah Niswonger
- Lou Niswonger
- Margaret Niswonger
- Mary Niswonger
- Maxine Niswonger
- Norman Niswonger
- Richard Niswonger
- Robert Niswonger
- Tasha Niswonger
- Virginia Niswonger
- Zach Niswonger
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