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
