Michael Klein

Michael Klein may refer to:


 * Michael L. Klein (born 1940), professor of chemistry at Temple University, member of the US National Academy of Sciences
 * Michael Klein (businessman) (born 1951), CEO of the Casas Bahia chain of stores in Brazil
 * Michael Klein (writer) (born 1954), faculty in English at Goddard College in the US
 * Michael Klein (art dealer) (born 1952), former curator of the Microsoft Art Collection, Director of the International Sculpture Center
 * Michael Klein (World Bank official) (born 1952), author and former World Bank official
 * Michael Klein (footballer, born 1959) (1959–93), Romanian football player, played in Romania and at Bayer Uerdingen
 * Michael Klein (footballer, born 1965), German football player with Eintracht Frankfurt
 * Michael R. Klein, American securities lawyer and co-founder of the Sunlight Foundation as well of chair of Sunlight's board