Daniel Klein

Daniel Klein may refer to:

• Danny Klein (born 1946), American bassist
• Daniel B. Klein (born 1962), professor of economics at George Mason University
• Daniel Klein (grammarian) (1609–1666), medieval scholar of the Lithuanian language
• Daniel Martin Klein (born 1939), American author
• Dan Klein (born 1976), American professor of computer science at the University of California, Berkeley
• Daniel Klein (footballer) (born 2001), German professional footballer