People with the last name Underdahl in Idaho
- Anthony Underdahl
- Ashton Underdahl
- Brice Underdahl
- Carol Underdahl
- Conrad Underdahl
- Hannah Underdahl
- Jason Underdahl
- Joel Underdahl
- Joseph Underdahl
- Marian Underdahl
- Mary Underdahl
- N Underdahl
- Ryan Underdahl
- Scott Underdahl
- Tori Underdahl
- Vern Underdahl
- Violet Underdahl
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