Diels
Diels is a surname, and may refer to:
- Hermann Diels (1848-1922), German classical scholar
- Ludwig Diels (1874-1945), German botanist
- Otto Diels (1876-1954), German chemist and Nobel laureate
- Paul Diels (1882-1963), German Slawist
- Rudolf Diels (1900-1957), German head of the Gestapo
- Disambiguation