Adelard (also spelled Adelhard, Adalhard or Adalard) may refer to:
People in the Middle Ages Adelard, father of the Frankish saint Herlindis of Maaseik (died 745) Adalard of Corbie (751–827), Frankish abbot Adelard of Spoleto (died 824), Italian nobleman Adalard the Seneschal, 9th-century Frankish nobleman Adalhard of Metz (c. 840–890), Frankish nobleman Adalard of Paris (c. 830–890), Frankish nobleman Adalhard of Babenberg (died 903), Frankish nobleman Adalard (bishop of Le Puy) (), first count–bishop of Le Puy Adelard of Ghent, 11th-century biographer of Saint Dunstan Adelard of Bath (c. 1080?–c. 1142–1152?), English scholar
Canadians since the 19th century Adélard Godbout (1892–1956), Canadian politician Adélard Turgeon (1863–1930), Canadian lawyer and politician Adélard Langevin (1855–1915), Canadian archbishop and priest Adélard Bellemare (1871–1933), Canadian politician Adélard Lafrance (1912–1995), Canadian ice hockey player Adélard Laurendeau (1883–1968), Canadian politician
See also Adelardo (disambiguation)