12 Lists of ambassadors by country of origin

This is a current list of ambassadors of Armenia accredited to other countries, including those having dual accreditation (ambassadors-at-large) and ambassadors accredited directly from Yerevan.

Brazil is the country with the largest number of embassies of Latin America. It has diplomatic representation with almost all the recognized states of the work, with the exception of 56 of the 194 countries, being some of them Afghanistan, Bhutan, Cambodia, Fiji, Kiribati, Iceland, Marshall Islands, Micronesia, Monaco, Nauru, Palau, Samoa, San Marino, Solomon Islands, South Sudan, Taiwan, Tuvalu and Yemen, totalizing a relation with 138 countries in all of the continents and with the Palestinian National Authority. Currently, Brazil has strength its relations with the BRICS and the next eleven countries under development.

This is a list of current ambassadors of Cambodia around the world.

This article contains several lists of ambassadors from the People's Republic of China. The incumbents change from time to time; sometimes a post starts or stops being temporarily headed by a lower ranking diplomat. Occasionally, a post is created or abolished.

Below are current ambassadors of the European Union to non-EU countries and international organizations. They are also known as delegation heads or envoys. Prior to the Treaty of Lisbon, the EU was represented abroad by the Ambassador of the country holding the semestral EU presidency, and the European Commission was represented by a Head of Delegation of the European Commission, member of the diplomatic corps and given the title of ambassador as a courtesy.

This is a list of ambassadors from Iran

Italian Ambassadors are the official diplomatic representatives of the Government of Italy.

This is a list of ambassadors of the Republic of Nicaragua to individual nations of the world, to international organizations, and to past nations, as well as ambassadors-at-large.

The following is the list of Ambassadors from Serbia. The list is in alphabetical order by country. In brackets are the countries for which the embassy is responsible on non-residential basis.

The following is the list of Ambassadors from Turkey. The list is in alphabetical order by country. In brackets are the countries for which the embassy is responsible on non-residential basis.

The Heads of British diplomatic missions are persons appointed as senior diplomats to individual nations, or international organisations. They are usually appointed as ambassadors, except in member countries of the Commonwealth of Nations where a high commissioner is appointed. The head of mission to an international organisation is usually a permanent representative. For some nations a consul or consul-general is appointed.

Ambassadors of the United States are persons nominated as ambassadors by the President to serve as United States diplomats to individual nations of the world, to international organizations, and as ambassadors-at-large. Their appointment needs to be confirmed by the United States Senate. An ambassador can be appointed during a recess, but he or she can serve as ambassador only until the end of the next session of Congress unless subsequently confirmed. Ambassadors serve "at the pleasure of the President", meaning they can be dismissed at any time. Appointments change regularly for various reasons, such as reassignment or retirement.