People with the last name Underdahl in Oregon
- Aaron Underdahl
- Andrew Underdahl
- Andy Underdahl
- Audrey Underdahl
- Caroline Underdahl
- Carrie Underdahl
- Chris Underdahl
- Christa Underdahl
- Christina Underdahl
- Cindy Underdahl
- Cole Underdahl
- Cynthia Underdahl
- Dana Underdahl
- Gary Underdahl
- Harold Underdahl
- Herb Underdahl
- Hobart Underdahl
- Karyl Underdahl
- Keith Underdahl
- Kenneth Underdahl
- Leif Underdahl
- Marilyn Underdahl
- Matt Underdahl
- Mildred Underdahl
- Patricia Underdahl
- Peggy Underdahl
- Rebecca Underdahl
- Rees Underdahl
- Zach Underdahl
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