Diplomats — reference index 13
- Sir Esmé Howard — United Kingdom
- Sir Frederick Bruce — United Kingdom
- Sir Harold Caccia — United Kingdom
- Sir Herbert Marler — Canada
- Sir John Kerr — United Kingdom
- Sir Julian Pauncefote — United Kingdom
- Sir Kim Darroch — United Kingdom
- Sir Lionel Sackville-West — United Kingdom
- Sir Michael Herbert — United Kingdom
- Sir Mortimer Durand — United Kingdom
- Sir Nicholas Henderson — United Kingdom
- Sir Nigel Sheinwald — United Kingdom
- Sir Oliver Franks — United Kingdom
- Sir Oliver Wright — United Kingdom
- Sir Patrick Dean — United Kingdom
- Sir Peter Ramsbotham — United Kingdom
- Sir Peter Westmacott — United Kingdom
- Sir Philip Barton — United Kingdom
- Sir Robin Renwick — United Kingdom
- Sir Roger Makins — United Kingdom
- Sir Ronald Lindsay — United Kingdom
- Sirojiddin Yakhshilikov — Uzbekistan
- Sodiq Safoyev — Uzbekistan
- Soedjatmoko — Indonesia
- Soemadi Brotodiningrat — Indonesia
- Soesilo Soedarman — Indonesia
- Sripriya Ranganathan — India
- Stefanus François Naudé Gie — South Africa
- Stratford Canning — United Kingdom
- Suat Hayri Ürgüplü — Türkiye
- Sudjadnan Parnohadiningrat — Indonesia
- Suharto
- Sukarno
- Sultan Mohammad Khan — Pakistan
- Sumitro Djojohadikusumo — Indonesia
- Sumner Welles
- Sun Jiagu
- Sutemi Chinda — Japan
- Suwito Kusumowidagdo — Indonesia
- Syarief Thayeb — Indonesia
- Syed Amjad Ali — Pakistan
- Syeda Abida Hussain — Pakistan
- Sylvio Ribeiro de Carvalho — Brazil
- Şükrü Elekdağ — Türkiye
- T. N. Kaul — India
- Takakazu Kuriyama — Japan
- Takeshi Yasukawa — Japan
- Takeso Shimoda — Japan
- Tamene Eshete — Ethiopia
- Taranjit Singh Sandhu — India
- Tariq Fatemi — Pakistan
- Tateishi Onojirō
- Teshome Haile-Mariam — Ethiopia
- Thabo Thage — South Africa
- The Earl of Cromer — United Kingdom
- The Earl of Reading — United Kingdom
- The Marquess of Lothian — United Kingdom
- Theodor von Holleben — Germany
- Theodore Roosevelt
- Théodore Roustan — France
- Thomas F. Bayard
- Thomas Jefferson
- Timothy Pickering
- Tingfu F. Tsiang — China
- Tomás Le Breton — Argentina
- Tommy Koh — Singapore
- Tomomi Iwakura — Japan
- Townsend Harris
- Tōkichi Tanaka — Japan
- Tōru Hoshi — Japan
- Tsui Kwo Yin — China
- Tsunejirō Miyaoka — Japan
- Tsuneo Matsudaira — Japan
- Tuleutay Suleymenov — Kazakhstan
- Turgut Menemencioğlu — Türkiye
- Turki Al-Faisal — Saudi Arabia
- Ulysses S. Grant
- Urban Ahlin — Sweden
- Valentín de Foronda — Spain
- Valeriy Chaly — Ukraine
- Vasco Tristão Leitão da Cunha — Brazil
- Vicente G. Quesada — Argentina
- Vicente J. Domínguez — Argentina
- Vijaya Lakshmi Pandit — India
- Viktor Komplektov — Russia
- Vinay Kwatra — India
- Vincent Massey — Canada
- Vincenzo Macchi di Cellere — Italy
- Viscount Grey — United Kingdom
- Vittorio Rolandi Ricci — Italy
- Víctor Eguiguren — Peru
- Vladimir Lukin — Russia
- Volodymyr Yelchenko — Ukraine
- W. D. Herridge — Canada
- W. W. Yen — China
- Walter Edward Fauntroy
- Walter Q. Gresham
- Walther Moreira Salles — Brazil
- Warren Christopher
- Warren G. Harding