Peter Klein
Peter Klein is the name of the following people:
- Peter Klein (singer) (1907–1992), German-Austrian opera singer (tenor)
- Peter Klein (local history researcher) (1929–2012), German typesetter and local history researcher
- Peter Klein (dendrologist) (* 1945), German wood scientist
- Peter Klein (journalist) (* 1953), Austrian journalist and radio editor
- Peter Klein (athlete) (* 1959), German athlete
- Peter Klein (historian) (* 1962), German historian
- Peter Klein (Author) (* 1969), German author and consultant
- Peter David Klein (* 1940), American philosopher
- Peter K. Klein (* 1942), German art historian