People with the last name Hallagan in Iowa
- Bev Hallagan
- Beverly Hallagan
- Carroll Hallagan
- Corey Hallagan
- Denise Hallagan
- Eric Hallagan
- Frances Hallagan
- Hailey Hallagan
- Harold Hallagan
- Jodi Hallagan
- Katherine Hallagan
- Kelly Hallagan
- Kohlby Hallagan
- Kurtis Hallagan
- Penny Hallagan
- Rose Hallagan
- Roxanne Hallagan
- Sharon Hallagan
- Shawn Hallagan
- Terry Hallagan
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