Michael Hartmann may refer to:

• Michael Hartmann (footballer) (born 1974), German footballer who played for the national team in 2003
• Michael Hartmann (sociologist) (born 1952), German sociologist widely known there for his research on elites and economic cultures
• Michael Hartmann (politician) (born 1963), German politician, member of the Bundestag
• Michael Hartmann (judge) (born 1944), Hong Kong judge from Zimbabwe

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