Horst Klein
Horst Klein is the name of the following people:
- Horst Klein (SS member) (1910 – after 1947), German administrative lawyer and SS leader
- Horst Klein (soccer player) (* 1948), German soccer player
- Horst Klein (illustrator) (* 1965), German graphic artist and illustrator
- Horst G. Klein (1944–2016), German Romance scholar and philologist