Saint John harbour can refer to several things related to this east coast Canadian harbour:

• Saint John Harbour - Harbour in the city of Saint John.
• Saint John Harbour (electoral district), a current provincial electoral district
• Saint John Harbour (1974-1995), a former provincial electoral district
• Saint John, New Brunswick harbour cleanup, pollution abatement program
• Saint John Harbour Bridge, a former toll bridge
• Port of Saint John, the federal agency which administers the harbour infrastructure

This disambiguation page lists articles associated with the title Saint John harbour.
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