Paul Klein
Paul Klein is the name of the following people:
- Paul Klein (1652–1717), as Pablo Clain Jesuit missionary in the Philippines
- Paul Klein (physician) (1919–1998), German microbiologist and immunologist
- Paul Klein (sociologist) (* 1941), German military sociologist and psychologist
- Paul Klein (economist) (* 1968), Canadian economist
- Paul Weber-Klein (before 1930–1992), German engineer
