N

•  Nagorno-Karabakh – Nagorno-Karabakh Republic^[4]
•  Namibia – Republic of Namibia
•  Nauru – Republic of Nauru
•  Nepal – State of Nepal
•  Netherlands – Kingdom of the Netherlands^[32]
•  Netherlands Antilles (Self-governing country in the Kingdom of the Netherlands)
•  New Caledonia – Territory of New Caledonia and Dependencies (French community sui generis)
•  New Zealand
•  Nicaragua – Republic of Nicaragua
•  Niger – Republic of Niger
•  Nigeria – Federal Republic of Nigeria
•  Niue (Associated state of New Zealand)
• See Korea, Democratic People's Republic of for North Korea
•  Norfolk Island – Territory of Norfolk Island (Australian overseas territory)
•  Northern Cyprus – Turkish Republic of Northern Cyprus^[2]
•  Northern Mariana Islands – Commonwealth of the Northern Mariana Islands (US commonwealth)
•  Norway – Kingdom of Norway

O

•  Oman – Sultanate of Oman