Peter Klein

Peter Klein may refer to:


 * Peter Klein (athlete) (born 1959), West German sprinter
 * Peter D. Klein (born 1940), American professor of philosophy
 * Peter W. Klein (born 1970), American journalist and documentary filmmaker
 * Peter G. Klein (born 1966), American professor of economics
 * Peter Klein (tenor) (1907–1992), German tenor
 * Peter Klein (CFO), Microsoft executive
 * Peter Klein (impresario) (born 1945), American impresario