Photo | Ambassador | Post | Place | Country | Date of death | Killed by |
| Envoys of Xerxes I | Persian envoys to Sparta | Sparta | Sparta | 481 B.C. | Leonidas I |
| Gaius Fulcinius | Roman envoys to Fidenae | Fidenae | Roman Republic | 438 B.C. | On orders of Lars Tolumnius |
| Lucius Roscius |
| Spurius Antius |
| Tullus Cloelius |
| Ambassadors of Genghis Khan | Mongol ambassadors to the Khwarezmian Empire | Otrar/Urgench | Khwarezmian Empire | 1218 | A Mongolian trade caravan including ambassadors was massacred by Inalchuq. Later on, a Muslim ambassador was beheaded on orders of Sultan Muhammad II |
| Ambassadors of Hulagu Khan | Mongol ambassadors to the Ayyubid and Mamluk Sultanate | Mayyafariqin | Ayyubid Sultanate | 1260 | A Jacobite priest was crucified on the orders of Ayyubid emir Al-Kamil Muhammad |
Egypt |  Mamluk Sultanate | Sultan Qutuz |
| Ambassador of Timur | Timurid ambassador to the Mamluk Sultanate | Damascus | Mamluk Sultanate | 1400 | On orders of Mamluk viceroy, Sudun |
| Antonio Rincon | French Ambassador to the Ottoman Empire | Rivoli | Venice | July 3, 1541 | Venetian Imperial Guard |
| Alexander Griboyedov | Russian Ambassador to Persia | Tehran | Persia | February 11, 1829 | Iranian mob |
| Clemens von Ketteler | German Ambassador to China | Beijing | China | June 20, 1900 | Boxer rebel |
| Wilhelm von Mirbach | German Ambassador to Russia | Moscow | Russian SFSR | June 6, 1918 | Left Socialist Revolutionaries |
| Vatslav Vorovsky | Soviet Representative to Italy | Lausanne | Switzerland | May 10, 1923 | Maurice Conradi |
| Rayko Daskalov | Bulgarian Minister Plenipotentiary to Czechoslovakia | Prague | Czechoslovakia | August 23, 1923 | Internal Macedonian Revolutionary Organization |
| Pyotr Voykov | Soviet Ambassador to Poland | Warsaw | Poland | June 7, 1927 | Boris Kowerda |
| Ceno bej Kryeziu | Albanian Ambassador to Czechoslovakia | Prague | Czechoslovakia | July 26, 1927 | Alkibijad Bebi |
| Henry Gurney | United Kingdom High Commissioner in Malaya | Fraser's Hill | Malaya | October 6, 1951 | Members of the Malayan Communist Party |
| Kokkat Sankara Pillai | First Secretary in High Commission of India in Ottawa, Canada | Ottawa | Canada | April 19, 1961 | Killed by a mentally unstable Yugoslav immigrant to Canada |
| John Gordon Mein | United States Ambassador to Guatemala | Guatemala City | Guatemala | August 28, 1968 | Rebel Armed Forces |
| Karl von Spreti | West German Ambassador to Guatemala | Guatemala City | Guatemala | May 4, 1970 | Rebel Armed Forces |
| Vladimir Rolović | Yugoslav Ambassador to Sweden | Stockholm | Sweden | April 15, 1971 | Croatian National Resistance |
| Joaquin Zenteno Anaya | Bolivian Ambassador to France | Paris | France | April 15, 1971 | Hugo Banzer regime |
| Marcel Dupret | Belgian Ambassador to Morocco | Skhirat | Morocco | July 10, 1971 | Army rebels during a coup d'état attempt against King Hassan II[5] |
 | Germain Mba | Gabonese Ambassador to Japan | Libreville | Gabon | November 5, 1971 | African mercenaries led by Bob Denard |
| Cleo A. Noel, Jr. | United States Ambassador to Sudan | Khartoum | Sudan | March 2, 1973 | Black September |
| Rodger Davies | United States Ambassador to Cyprus | Nicosia | Cyprus | August 19, 1974 | EOKA B |
| Daniş Tunalıgil | Turkish Ambassador to Austria | Vienna | Austria | October 22, 1975 | Justice Commandos of the Armenian Genocide |
| İsmail Erez | Turkish Ambassador to France | Paris | France | October 24, 1975 | Armenian Secret Army for the Liberation of Armenia |
| Christopher Ewart-Biggs | United Kingdom Ambassador to the Republic of Ireland | Dublin | Ireland | June 21, 1976 | Provisional Irish Republican Army |
| Carlos Abdala | Uruguayan Ambassador to Paraguay | Asunción | Paraguay | November 5, 1976 | Croatian Revolutionary Brotherhood |
| Francis E. Meloy, Jr. | United States Ambassador to Lebanon | Beirut | Lebanon | June 16, 1976 | Popular Front for the Liberation of Palestine |
| Taha Carım | Turkish Ambassador to Holy See | Rome | Italy | June 9, 1977 | Justice Commandos of the Armenian Genocide |
| Héctor Hidalgo Solá | Argentine Ambassador to Venezuela | Buenos Aires | Argentina | July 17, 1977 (disappearance) | unknown |
| Mario García Incháustegui | Cuban Ambassador to Japan | Kuala Lumpur | Malaysia | December 4, 1977 | killed in the deliberate crash of Malaysian Airline System Flight 653 |
| Said Hammami | Palestinian Liberation Organization Representative to the United Kingdom | London | United Kingdom | January 4, 1978 | Abu Nidal Organization (alleged) |
| Adolph Dubs | United States Ambassador to Afghanistan | Kabul | Afghanistan | February 14, 1979 | Settam-e-Melli (alleged) |
| Richard Sykes | United Kingdom Ambassador to the Netherlands | The Hague | Netherlands | March 22, 1979 | Provisional Irish Republican Army |
| Gottfried Lessing | East German Ambassador to Uganda | Kampala | Uganda | April 11, 1979 | Uganda National Liberation Front |
| Archibald Gardner Dunn | South African Ambassador to El Salvador | San Salvador | El Salvador | October 8, 1980 | Fuerzas Populares de Liberación Farabundo Martí |
| Louis Delamare | French Ambassador to Lebanon | Beirut | Lebanon | September 5, 1981 | Pro-Syrian militants |
| Domingo Garcia Rodriguez | Cuban Ambassador to Egypt | Cairo | Egypt | October 6, 1981 | Rogue military gunmen during the Assassination of Anwar Sadat |
| Abdul Razzak Lafta | Iraqi Ambassador to Lebanon | Beirut | Lebanon | December 15, 1981 | killed in an embassy bombing by the Islamic Dawa Party |
| Shlomo Argov | Israeli Ambassador to the United Kingdom | London | United Kingdom | February 24, 2003 (shot on June 3, 1982) | Abu Nidal Organization |
| Galip Balkar | Turkish Ambassador to Yugoslavia | Belgrade | Yugoslavia | March 9, 1983 | Justice Commandos of the Armenian Genocide |
| Lee Gye-cheol | South Korean Ambassador to Burma | Rangoon | Burma | October 9, 1983 | North Korean agents as part of an assassination plot against visiting South Korean President Chun Doo-hwan |
| Khalifa Ahmad Mubarak | Emirati Ambassador to France | Paris | United Arab Emirates | February 8, 1984 | Abu Nidal Organization |
| Salih Mahdi Ammash | Iraqi Ambassador to Finland | Helsinki | Finland | January 30, 1985 | Baathist Iraqi agents |
| Pedro Manuel de Aristegui | Spanish Ambassador to Lebanon | Beirut | Lebanon | April 16, 1989 | killed by a rocket |
| Philippe Bernard | French Ambassador to Zaire | Kinshasa | Zaire | January 28, 1993 | killed by a stray bullet during a looting rampage by local soldiers[6] |
| Alfredo Enrique Vargas-Hirsch | Venezuelan Ambassador to Jamaica | Kingston | Jamaica | November 6, 1997 | unknown[7] |
| Michael Courtney | Apostolic Nuncio to Burundi | Bujumbura | Burundi | December 29, 2003 | National Forces of Liberation |
| Ihab el-Sherif | Egyptian ambassador to Iraq | Baghdad | Iraq | July 7, 2005 | kidnapped and killed by al-Qaeda in Iraq |
| J. Christopher Stevens | United States Ambassador to Libya | Benghazi | Libya | September 11, 2012 | Ansar al-Sharia |
| Jamal al-Jamal | Palestinian Ambassador to Czechia | Prague | Czechia | January 1, 2014 | killed by a bomb |
| Andrei Karlov | Russian Ambassador to Turkey | Ankara | Turkey | December 19, 2016 | Mevlüt Mert Altıntaş |
| Kyriakos Amiridis | Greek Ambassador to Brazil | Nova Iguaçu | Brazil | December 26, 2016 | Sérgio Moreira |
| Luca Attanasio | Italian Ambassador to the Democratic Republic of the Congo | Goma | Democratic Republic of the Congo | February 22, 2021 | unknown attackers during a kidnapping attempt |