Hardeman is a surname. Notable people with the surname include:

• Bailey Hardeman (1795–1836), American lawyer and politician
• Buddy Hardeman (born 1954), American football player
• Don Hardeman (1952–2016), American football player
• Dorsey B. Hardeman (1902–1992), American politician, lawyer and businessman
• Ernie Hardeman (born 1947), Canadian politician
• Gary Hardeman (born 1950), Australian rules footballer
• N. B. Hardeman (1874–1965), American educator
• Thomas Hardeman, Jr. (1825–1891), American politician, lawyer and Confederate States Army officer
• William Polk Hardeman (1816–1898), Confederate States Army general

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