word | | Country name |
| form | Northern Mariana Islands | conventional long form: Commonwealth of the Northern Mariana Islands conventional short form: Northern Mariana Islands abbreviation: CNMI former: Trust Territory of the Pacific Islands, Mariana Islands District |
| form | Norway | conventional long form: Kingdom of Norway conventional short form: Norway local long form: Kongeriket Norge local short form: Norge |
| form | Oman | conventional long form: Sultanate of Oman conventional short form: Oman local long form: Saltanat Uman local short form: Uman former: Muscat and Oman |
| form | Pakistan | conventional long form: Islamic Republic of Pakistan conventional short form: Pakistan local long form: Jamhuryat Islami Pakistan local short form: Pakistan former: West Pakistan |
| form | Palau | conventional long form: Republic of Palau conventional short form: Palau local long form: Beluu er a Belau local short form: Belau former: Trust Territory of the Pacific Islands, Palau District |
| form | Panama | conventional long form: Republic of Panama conventional short form: Panama local long form: Republica de Panama local short form: Panama |
| form | Papua New Guinea | conventional long form: Independent State of Papua New Guinea conventional short form: Papua New Guinea local short form: Papuaniugini former: Territory of Papua and New Guinea abbreviation: PNG |
| form | Paracel Islands | conventional long form: none conventional short form: Paracel Islands |
| form | Paraguay | conventional long form: Republic of Paraguay conventional short form: Paraguay local long form: Republica del Paraguay local short form: Paraguay |
| form | Peru | conventional long form: Republic of Peru conventional short form: Peru local long form: Republica del Peru local short form: Peru |