• The Peace River (Canada), a river in British Columbia and Alberta
• The town of Peace River, Alberta
• The Peace River (electoral district), an electoral district
• Peace River Country, a geographic region straddling the border between British Columbia and Alberta. The British Columbia portion is also known as the Peace River Block and also as the Peace Country.

Peace River may also refer to rivers in the United States:

• The Peace River (Dillingham) in Alaska, called Gui-guok-lok by natives
• The Peace River (Nome) in Alaska, a tributary of the Koyuk River
• The Peace River (Florida) in Florida