Prime ministers 4 / 30
Aristides Gomes (1954)
Armand Călinescu (1893)
Armen Darbinyan (1965)
Armen Sargsyan (1953)
Arthur Fadden (1894)
Arthur Tonge (1887)
Arthur Williams (1888)
Arturo Parisi (1940)
Arvid Lindman (1862)
Arvid Posse (1820)
Asadollah Alam (1919)
Aslanbek Bulatsev (1963)
Ata'ollah Mohajerani (1954)
Atef Ebeid (1932)
Atef Sedki (1930)
Avram Petronijević (1791)
Avtandil Jorbenadze (1951)
Axel Gustav Adlercreutz (1821)
Axel Pehrsson-Bramstorp (1883)
Axel Urup (1601)
Azim Isabekov (1960)
Aziz Sedki (1920)
Azuma Koshiishi (1936)
Azzeddine Laraki (1929)
Ba Maw (1893)
Babatunji Olowofoyeku (1917)
Baden Powell (1900)
Baek Du-jin (1908)
Bahi Ladgham (1913)
Bahjat Talhouni (1913)
Baji Rao I (1700)
Bajram Kosumi (1960)
Bajram Rexhepi (1954)
Balingiin Tserendorj (1868)
Banharn Silpa-archa (1932)
Banja Tejan-Sie (1917)
Barak Sopé (1955)
Barbara Pollastrini (1947)
Barbu Catargiu (1807)