The following lists of presidents are available:

Current presidents

List of current presidents This is a list of current heads of state and heads of government. In some cases, mainly in presidential systems, there is only one leader being both head of state and head of government. In other cases, mainly in semi-presidential and parliament ...

Supra-national organisations

Central American Parliament The Central American Parliament ( es, Parlamento Centroamericano), also known as PARLACEN, is the political institution and parliamentary body of the Central American Integration System (SICA). Its headquarters are in Guatemala City. History ...

Council of Europe The Council of Europe (CoE; french: Conseil de l'Europe, ) is an international organisation founded in the wake of World War II to uphold European Convention on Human Rights, human rights, democracy and the Law in Europe, rule of law in Europe. ...

* Economic Community of West African States Commission * European Union institutions ** European Central Bank ** European Commission **

European Court of Justice The European Court of Justice (ECJ, french: Cour de Justice européenne), formally just the Court of Justice, is the supreme court of the European Union in matters of European Union law. As a part of the Court of Justice of the European Un ...

European Investment Bank The European Investment Bank (EIB) is the European Union's investment bank and is owned by the EU Member States. It is one of the largest supranational lenders in the world. The EIB finances and invests both through equity and debt solutions ...

* International Olympic Committee *

Pan-African Parliament The Pan-African Parliament (PAP), also known as the African Parliament, is the legislative body of the African Union. It held its inaugural session in March 2004. The Parliament exercises oversight, and has advisory and consultative powers, ha ...

* Union of South American Nations * United Nations General Assembly * United Nations Security Council

UN member countries

Former states

* Biafra * Confederate States of America * Czechoslovakia * Ichkeria, Chechen Republic of * Orange Free State * Republic of the Rio Grande *

Rhodesia Rhodesia (, ), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979, equivalent in territory to modern Zimbabwe. Rhodesia was the ''de facto'' successor state to the British colony of S ...

* Spain, Second Republic of ( Republican Spain) *

South Yemen South Yemen ( ar, اليمن الجنوبي, al-Yaman al-Janubiyy), officially the People's Democratic Republic of Yemen (, ), also referred to as Democratic Yemen (, ) or Yemen (Aden) (, ), was a communist state that existed from 1967 to 19 ...

* Soviet Union *

Tanganyika Tanganyika may refer to: Places * Tanganyika Territory (1916–1961), a former British territory which preceded the sovereign state * Tanganyika (1961–1964), a sovereign state, comprising the mainland part of present-day Tanzania * Tanzania Main ...

* Texas, Republic of * Yucatán, Republic of * Yugoslavia * Zimbabwe Rhodesia

Other states

Abkhazia Abkhazia, ka, აფხაზეთი, tr, , xmf, აბჟუა, abzhua, or ( or ), officially the Republic of Abkhazia, is a partially recognised state in the South Caucasus, recognised by most countries as part of Georgia, which vi ...

* Ambazonia * Artsakh * Bougainville *

British Virgin Islands ) , anthem = " God Save the King" , song_type = Territorial song , song = "Oh, Beautiful Virgin Islands" , image_map = File:British Virgin Islands on the globe (Americas centered).svg , map_caption = , mapsize = 290px , image_map2 = Bri ...

* China, Republic of (

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

) * Donetsk, People's Republic of *

Guadeloupe Guadeloupe (; ; gcf, label=Antillean Creole, Gwadloup, ) is an archipelago and overseas department and region of France in the Caribbean. It consists of six inhabited islands— Basse-Terre, Grande-Terre, Marie-Galante, La Désirade, and the ...

Kosovo Kosovo ( sq, Kosova or ; sr-Cyrl, Косово ), officially the Republic of Kosovo ( sq, Republika e Kosovës, links=no; sr, Република Косово, Republika Kosovo, links=no), is a partially recognised state in Southeast Eur ...

Kurdistan Kurdistan ( ku, کوردستان ,Kurdistan ; lit. "land of the Kurds") or Greater Kurdistan is a roughly defined geo-cultural territory in Western Asia wherein the Kurds form a prominent majority population and the Kurdish culture, languages ...

* Luhansk, People's Republic of *

Northern Cyprus Northern Cyprus ( tr, Kuzey Kıbrıs), officially the Turkish Republic of Northern Cyprus (TRNC; tr, Kuzey Kıbrıs Türk Cumhuriyeti, ''KKTC''), is a ''de facto'' state that comprises the northeastern portion of the Geography of Cyprus, isl ...

Sahrawi Arab Democratic Republic The Sahrawi Arab Democratic Republic (; SADR; also romanized with Saharawi; ar, الجمهورية العربية الصحراوية الديمقراطية ' es, República Árabe Saharaui Democrática), also known as Western Sahara, is a ...

* Somaliland *

South Ossetia South Ossetia, ka, სამხრეთი ოსეთი, ( , ), officially the Republic of South Ossetia – the State of Alania, is a partially recognised landlocked state in the South Caucasus. It has an officially stated popula ...

Palestine, State of Palestine ( ar, فلسطين, Filasṭīn), officially the State of Palestine ( ar, دولة فلسطين, Dawlat Filasṭīn, label=none), is a state located in Western Asia. Officially governed by the Palestine Liberation Organization (P ...

Transnistria Transnistria, officially the Pridnestrovian Moldavian Republic (PMR), is an unrecognised breakaway state that is internationally recognised as a part of Moldova. Transnistria controls most of the narrow strip of land between the Dniester riv ...

Other organisations

American Statistical Association The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States. It was founded in Boston, Massachusetts on November 27, 1839, and is the second oldest continuous ...

British Computer Society Sir Maurice Wilkes served as the first President of BCS in 1957 BCS, The Chartered Institute for IT, known as the British Computer Society until 2009, is a professional body and a learned society that represents those working in infor ...

College of William & Mary The College of William & Mary (officially The College of William and Mary in Virginia, abbreviated as William & Mary, W&M) is a public research university in Williamsburg, Virginia. Founded in 1693 by letters patent issued by King William II ...

* FIFA *

Geological Society of London The Geological Society of London, known commonly as the Geological Society, is a learned society based in the United Kingdom. It is the oldest national geological society in the world and the largest in Europe with more than 12,000 Fellows. Fe ...

* Institute of Structural Engineers *

Institution of Civil Engineers The Institution of Civil Engineers (ICE) is an independent professional association for civil engineers and a charitable body in the United Kingdom. Based in London, ICE has over 92,000 members, of whom three-quarters are located in the UK, whi ...

Institution of Electrical Engineers The Institution of Electrical Engineers (IEE) was a British professional organisation of electronics, electrical, manufacturing, and Information Technology professionals, especially electrical engineers. It began in 1871 as the Society of T ...

* Institution of Mathematical Statistics *

National Organization for Women The National Organization for Women (NOW) is an American feminist organization. Founded in 1966, it is legally a 501(c)(4) social welfare organization. The organization consists of 550 chapters in all 50 U.S. states and in Washington, D.C. It ...

Royal College of Physicians The Royal College of Physicians (RCP) is a British professional membership body dedicated to improving the practice of medicine, chiefly through the accreditation of physicians by examination. Founded by royal charter from King Henry VIII in 1 ...

Royal College of Physicians of Edinburgh The Royal College of Physicians of Edinburgh (RCPE) is a medical royal college in Scotland. It is one of three organisations that sets the specialty training standards for physicians in the United Kingdom. It was established by Royal charter ...

Royal College of Surgeons of Edinburgh The Royal College of Surgeons of Edinburgh (RCSEd) is a professional organisation of surgeons. The College has seven active faculties, covering a broad spectrum of surgical, dental, and other medical practices. Its main campus is located o ...

Royal Society of Medicine The Royal Society of Medicine (RSM) is a medical society in the United Kingdom, headquartered in London. History The Society was established in 1805 as Medical and Chirurgical Society of London, meeting in two rooms in barristers’ chamber ...

Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, r ...

Royal Statistical Society The Royal Statistical Society (RSS) is an established statistical society. It has three main roles: a British learned society for statistics, a professional body for statisticians and a charity which promotes statistics for the public good. ...

University of Central Florida The University of Central Florida (UCF) is a public research university whose main campus is in unincorporated Orange County, Florida. UCF also has nine smaller regional campuses throughout central Florida. It is part of the State University ...