Seidl (plural Seidls)
- A surname.
- According to the 2010 United States Census, Seidl is the 10332nd most common surname in the United States, belonging to 3118 individuals. Seidl is most common among White (96.5%) individuals.
- Diels, delis, Sidle, isled, sidle, leids, sleid, siled, idles, Lides, slide
