New Harbour or New Harbor can mean:

In Antarctica New Harbour (Antarctica) (sometimes spelt New Harbor) New Harbour Heights, former name of Mount Barnes in the Kukri Hills, Antarctica

In Australia New Harbour, Tasmania

In Canada New Harbour, Newfoundland and Labrador New Harbour Island, Newfoundland and Labrador New Harbour, Nova Scotia New Harbour (Chester), Nova Scotia

In Gibraltar New Harbours, an industrial complex in Gibraltar

In Singapore New Harbour, former name of Keppel Harbour, Singapore

In the United States New Harbor, Maine New Harbour Mall, Fall River, Massachusetts

See also Nyhavn, "New Harbour" in Danish