Eau Claire (French for "clear water", pl. eaux claires) is the name of a number of locations and features in North America. The name is pronounced as if it were spelled "O'Clare".

• Eau Claire, Calgary, a neighborhood in Calgary, Alberta
• Eau Claire, Ontario, a community approximately eight miles west of Mattawa, Ontario
• Eaux Claires (Edmonton), a neighborhood in Edmonton, Alberta

• Lac à l'Eau Claire, a lake in northern Quebec

• Eau Claire Gorge, a section of rapids along the Amable du Fond River near Eau Claire, Ontario

• Eau Claire, Wisconsin, the largest incorporated place by this name
  • University of Wisconsin-Eau Claire, often referred to as "Eau Claire" or "UW Eau Claire")
• Eau Claire, Michigan
• Eau Claire, Pennsylvania
• Eau Claire, South Carolina, a suburban neighborhood of Columbia, South Carolina
• Little Eau Claire, Wisconsin, an unincorporated community

• Eau Claire County, Wisconsin

• Eau Claire River (disambiguation), three rivers in Wisconsin (articles named according to rivers to which each of the three rivers are tributaries):
  • Eau Claire River (Chippewa River)
  • Eau Claire River (St. Croix River)
  • Eau Claire River (Wisconsin River)

• Lake Eau Claire, a reservoir in eastern Eau Claire County, Wisconsin, formed by a dam on the Eau Claire River (Chippewa River tributary)

• Episcopal Diocese of Eau Claire, Wisconsin