Erhart is a surname and a given name. Notable people so named include:
Gregor Erhart (c. 1470?–1540), German sculptor Maria Erhart (1944–2011), Austrian international bridge player Michel Erhart (c. 1440-45 — after 1522), German late Gothic sculptor Erhard Altdorfer (c. 1480–1561), sometimes spelled Erhart, German Early Renaissance printmaker, painter and architect Erhart Aten (1932–2004), Micronesian politician Erhart or Erhard Hegenwald, 16th century writer of the Reformation Erhart Regier (1916-1976), Canadian politician
See also Erhard Erhardt Erhart, Ohio