Presidents 40 / 46
Roberto Suazo Córdova (1927)
Roberto Urdaneta Arbeláez (1890)
Rodolfo Graziani (1882)
Rodolfo Terragno (1943)
Rodrigo Borja Cevallos (1935)
Roh Moo-hyun (1946)
Roh Tae-woo (1932)
Rómulo Betancourt (1908)
Rómulo Díaz de la Vega (1800)
Rómulo Gallegos (1884)
Ron Gettelfinger (1944)
Rong Yiren (1916)
Roque González Garza (1885)
Roque Sáenz Peña (1851)
Rose Francine Rogombé (1942)
Roxana Baldetti (1962)
Roy A. Young (1882)
Roy Bennett (1957)
Roy Welensky (1907)
Rubén Darío Paredes (1933)
Ruben Zackhras (1947)
Rudolf Kirchschläger (1915)
Rudolf Schuster (1934)
Ruhollah Khomeini (1900)
Ruslan Khasbulatov (1942)
Saad ad-Daula (1851)
Saadallah al-Jabiri (1891)
Sabá Sueyro (1889)
Sabine Bergmann-Pohl (1946)
Said al-Ghazzi (1893)
Saleh Selim (1930)
Salvador Jovellanos (1833)
Salvador María del Carril (1798)
Sam Sesay (1959)
Samuel Doe (1951)
Samuel Schmid (1947)
Samura Kamara (1963)