Horst Lange (disambiguation)
Horst Lange is the name of the following people:
- Horst Lange (1904–1971), German writer
- Horst Lange (politician) (1934-2010), German politician (SPD)
- Horst Lange (mathematician) (* 1940), German mathematician and university professor
- Horst Lange-Bertalot (* 1936), German botanist and university professor
- Horst H. Lange (1924–2001), German jazz author