Michael Klein
Michael Klein may refer to:
- Michael Klein (art dealer), American artist’s agent and freelance consultant
- Michael Klein (businessman), Brazilian business executive
- Michael Klein (footballer, born 1959), Romanian football player with Corvinul Hunedoara and Romania
- , German football player with Eintracht Frankfurt
- Michael Klein (World Bank official), German banker
- Michael Klein (writer), American fiction writer, poet, and academic
- Michael L. Klein, British-American computational chemist
- Michael R. Klein, American lawyer, co-founder of the Sunlight Foundation in 2006