The wild boar and boar's head are common charges in heraldry.
The Royal insignia of the Vijayanagara kings spots 4 elements – Sun, Moon, Dragger and Boar.
On the Norwegian "Kongshornet" (The King's Horn) the coat of arms of the old Galte-clan can be seen before it became "Galtung" in the times of Danish superiority over Norway. The horn is currently in a Danish collection in Copenhagen, and they've refused Norway's request to return it. The coat of arms would have been a golden or silver (in the sagas "radiant") boar symbolizing Ynglinga on a blue background, along a shell symbolizing the sea or Christian pilgrimage.
A Roman Antefix roof tile showing the boar badge and standard of the Twentieth Legion
The Swiss Saubanner as depicted in the Berner Schilling (1480s)
The White Boar was the personal device or badge of the English King Richard III of England, and is an early instance of the use of boars in heraldry.
Richard and his son standing on boars in a contemporary heraldic roll by John Rous
The white boar badge of Richard III as pendant to a Yorkist livery collar on the tomb monument of Sir Ralph Fitzherbert (died 1483), in St Mary and St Barlock's Church, Norbury in Derbyshire.
