Eberhardt is a Germanic surname. It may refer to:

• Andrei Eberhardt (1856–1919), Russian naval officer
• Charles Eberhardt (1871–1965), American diplomat
• Cliff Eberhardt (b. 1954), American contemporary folk singer and songwriter
• Erich Eberhardt (1913–1965), German military officer
• Frederick Eberhardt (philanthropist) (1868–1946), American engineer, philanthropist, university administrator and president of Gould & Eberhardt
• Frederick Eberhardt (philosopher) (born 1978), American philosopher
• Georg Eberhardt (1914–1943), German military officer
• Henri Eberhardt (1913–1976), French canoeist
• Hugo Eberhardt (1874–1959), German architect
• Isabelle Eberhardt (1877–1904), Swiss writer and explorer of North Africa
• Thom Eberhardt (b. 1947), American film director, producer and screenwriter
• Walter von Eberhardt (1862–1944), German general
• William Eberhardt, American forger of the Dare Stones

• Fitzner-Eberhardt Arid Lands Ecology Reserve, an area of the Hanford Reach National Monument, Washington, US

• Otto Eberhardt Patronenfabrik, German World War II munitions and arms manufacturer

• Eberhard
• Eberhart (disambiguation)