- Source: Hermann Klein
- Hermann Samuel Reimarus
- Felix Klein
- Katedral Speyer
- Kuantum
- Grand Prix Sepeda Motor musim 1964
- Daftar tokoh yang terkait dengan Anne Frank
- Model hiperboloid
- Jerman
- Daftar tokoh Jerman
- Lubang cacing
- Hermann Klein
- List of Knight's Cross of the Iron Cross recipients (Ka–Km)
- Hyginus (crater)
- Klein (crater)
- Denise Robins
- Hermann Joseph Klein
- Herman Klein
- Felix Klein
- Walter J. Turner
- Charles Klein
Hermann Klein may refer to:
Herman Klein (1856–1934), English music critic, author and teacher of singing
Hermann Joseph Klein (1844–1914), German astronomer, author and professor