List of ports and harbours in Northern Ireland

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File:Dusk at Belfast docks - geograph.org.uk - 1619485.jpg]]

This is a list of the seaports in Northern Ireland

• Ardglass{{cite web |title=UNLOCODE (GB) - UNITED KINGDOM |url=https://service.unece.org/trade/locode/gb.htm |website=service.unece.org |accessdate=6 May 2020}}
• Ballycastle, County Antrim
• Bangor, County Down
• Belfast Harbour{{cite web |title=Gateways - sea ports {{!}} Department for Infrastructure |url=https://www.infrastructure-ni.gov.uk/articles/gateways-sea-ports |website=Infrastructure |accessdate=6 May 2020 |language=en |date=25 June 2015}}
• Carrickfergus
• Coleraine{{cite web |title=Port of Coleraine, U.K. |url=https://www.findaport.com/port-of-coleraine |website=www.findaport.com |accessdate=6 May 2020}}
• Kilkeel
• Larne
• Londonderry Port
• Portaferry
• Portavogie
• Portstewart
• Strangford
• Warrenpoint