Pierre-Joseph Céloron de Blainville (29 December 1693, Montreal—14 April 1759, Montreal) — also known as Celeron de Bienville (or Céleron, or Céloron, etc.) — was a French Canadian Officer of Marine. In 1739 and '40 he led a detachment to Louisiana to fight the Chickasaw in the abortive Chickasaw Campaign of 1739. In 1749 he led the 'Lead Plate Expedition' to advance France's territorial claim on the Ohio Valley.