Hans-Joachim Klein
Hans-Joachim Klein is the name of the following people:
- Hans-Joachim Klein (sociologist) (* 1938), German sociologist
- Hans-Joachim Klein (swimmer) (* 1942), German swimmer and sports official
- Hans-Joachim Klein (terrorist) (* 1947), German terrorist
- Hans-Joachim Klein (computer scientist) (* 1951), German computer scientist
