Diplomats — reference index 11
- Nobuo Matsunaga — Japan
- Nomaindiya Cathleen Mfeketo — South Africa
- Norberto Miguel Barrenechea — Argentina
- Norman Makin — Australia
- Norman Robertson — Canada
- Nuño Aguirre de Cárcer — Spain
- Nuri Jamil — Iraq
- Nüzhet Kandemir — Türkiye
- Octávio do Nascimento Brito — Brazil
- Oh Jay-hee — Korea
- Oksana Markarova — Ukraine
- Oleh Bilorus — Ukraine
- Oleh Shamshur — Ukraine
- Oleksandr Motsyk — Ukraine
- Olha Stefanishyna — Ukraine
- Oluf Stenersen — Sweden
- Orestes Ferrara — Cuba
- Orhan Halit Erol — Türkiye
- Oscar B. Cintas — Cuba
- Oscar Gans — Cuba
- Oscar Ibarra García — Argentina
- Oscar Ivanissevich — Argentina
- Oswaldo Aranha — Brazil
- Oswaldo de Rivero — Peru
- Otto Wiedfeldt — Germany
- Owen Dixon — Australia
- P. K. Banerjee — India
- P. K. Kaul — India
- P. L. Sinai — India
- Pablo Desvernine — Cuba
- Pablo Obregón — Mexico
- Paolo Beccadelli-Bologna — Italy
- Paolo di Montagliari — Italy
- Paolo Pansa Cedronio — Italy
- Park Jeong-yang — Korea
- Park Kun-woo — Korea
- Park Tong-jin — Korea
- Park Yong-gyu — Korea
- Patricia Murphy Derian
- Patrick Shaw — Australia
- Paul Claudel — France
- Paul Lefaivre — France
- Paul von Krüdener — Russia
- Paulo Tarso Flecha de Lima — Brazil
- Pedro Alcántara Argaiz — Spain
- Pedro Alejandrino del Solar — Peru
- Pedro Beltrán — Peru
- Pedro Eduardo Real — Argentina
- Pedro Martínez Fraga — Cuba
- Pedro Morenés Eulate — Spain
- Pedro Rodrigues Fernandes Chaves — Brazil
- Percy Spender — Australia
- Peter Ammon — Germany
- Peter Hermes — Germany
- Peter Jay — United Kingdom
- Peter Mandelson — United Kingdom
- Peter Towe — Canada
- Peter Wittig — Germany
- Philander C. Knox
- Philippe Étienne — France
- Phineas Bond — United Kingdom
- Pierre de Margerie — France
- Pierre de Poletica — Russia
- Pierre Vimont — France
- Pierre-Auguste Adet — France
- Pieter G. J. “Piet” Koornhof — South Africa
- Prince Alliata di Montereale e di Villafranca — Italy
- Prince Cantacuzene — Russia
- Punch Coomaraswamy — Singapore
- Qin Gang — China
- R. K. Nehru — India
- Raad H. Shihab — Iraq
- Rafael de la Colina Riquelme — Mexico
- Rafael Maximiano Vázquez — Argentina
- Rafael Sánchez-Aballí — Cuba
- Rafael Zubarán Capmany — Mexico
- Ralph William Close — South Africa
- Ramón Gil-Casares Satrústegui — Spain
- Ramón Piña y Millet — Spain
- Ramón Sánchez-Parodi Montoto — Cuba
- Randall Robinson
- Ras Imru Haile Selassie — Ethiopia
- Raúl Granillo Ocampo — Argentina
- Rawdon Dalrymple — Australia
- Raymond Chrétien — Canada
- Reema Bandar Al-Saud — Saudi Arabia
- Renato Prado Guimarães — Brazil
- Rend al-Rahim — Iraq
- René de Saint-Quentin — France
- Rex Tillerson
- Riaz Hussain Khokhar — Pakistan
- Ricardo Luna Mendoza — Peru
- Richard Casey — Australia
- Richard Nixon
- Richard Olney
- Richard Pakenham — United Kingdom
- Richard Rush
- Rinaldo de Lima e Silva — Brazil
- Rinaldo Petrignani — Italy
- Rizwan Saeed Sheikh — Pakistan