People with the last name Langseth in Illinois
- Amanda Langseth
- Anna Langseth
- Annakari Langseth
- Ariel Langseth
- Carol Langseth
- David Langseth
- Glenn Langseth
- Gunnar Langseth
- Harold Langseth
- Joe Langseth
- Josef Langseth
- Kirk Langseth
- Laura Langseth
- Lizbet Langseth
- Mark Langseth
- N Langseth
- Norman Langseth
- Paul Langseth
- Regina Langseth
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