OATES, David
OATES, Joan
OBLANSINSKI, Adalbert
OBOLENSKY, Dimitri (1918 - )
OBRY, Jean-Baptiste-François (1793 - 1871)
OBST, Ernst
ODEBERG, Hugo (1898 - )
OEHRN, Carolus
OELMANN, Franz (1883 - )
OELSNER, Joachim
OERTEL, Friedrich (21 May 1884 - 15 January 1975)
OESTERLEY, William Oscar Emil (1866 - 1950)
ŒSTRUP (ØSTRUP), Johannes Elith (1867 - 1938)
OGDEN, Charles Jones (1880 - )
OLBRYCHT, Marek J.
OLCOTT, Henry Steel (1832 - 1907)
OLDENBERG, Hermann (1854 - 1920)
OLEARIUS, Adam (1599 - 22 February 1671) (Baptised 16 August 1603.)
OLIPHANT, SAMUEL GRANT (1864 - 1936)
OLMSTEAD, Albert Ten Eyck (1880 - 1945)
OLSCHKI, Leonardo (1885 - )
OLSHAUSEN, D. J. (1766 - 1823)
OLSHAUSEN, Eckart (1938 - )
OLSHAUSEN, Justus Von (1844 - 1924)
OLSSON, Sven (1914 - )
OLUFSEN, Oluf Christian (1764 - 1827)
OPITZ, Dietrich (1901 - )
OPPENHEIM, Adolf Leo (1904 - 1974)
OPPERT, Jules (Julius) (1825 - 1905)
OPSOPÄUS, Johannes (1556 - 1596)
ORANG, Murad (1904 - 1982)
ORANSKIĬ, Iosif Mikhaĭlovich
ORBELI, Iosif Abgarovich (1887 - 1961)
ORELLI, CONRAD von (1788 - 1854)
ORELLI, CONRAD von (1846 - 1912)
ORLOW, A.
ORTERER, Georg
ORT-GEUTHNER, Georges (1900 - 1941)
OSTHOFF, Hermann (1847 - 1909)
OSZTERN, Salaman Pál (1879 - )
OTTO, Heinz (1911 - 1941)
OTWINOWSKI, Samuel (1575/85 - 1624)
OUSELEY, William Gore (1797 - 1866)
OUSELEY, William (Orientalist) (1767 - 1842)
OUSLEY, GORE (1770 - 1844)
OWEN, John Jason (1803 - 1869)
OXTOBY, Willard Gurdon (1933 - )