Members of the Royal Netherlands Academy of Arts and Sciences (O)

The Royal Netherlands Academy of Arts and Sciences (Dutch: Koninklijke Nederlandse Akademie van Wetenschappen, abbreviated: KNAW) is an organization dedicated to the advancement of science and literature in the Netherlands. The academy is housed in the Trippenhuis in Amsterdam. Founded in 1808, members are appointed for life by co-optation.

List of members (O)

Name	Type	Division	Date of election	Notes	Ref.
Heiko Augustinus Oberman	Corresponding Member		1963		[1]
Joseph-Denis Odevaere			1816		[2]
Theo Odijk	Member	Natural Sciences and Engineering	2008		[3]
Hans Oerlemans	Member	Natural Sciences and Engineering	1994		[4]
Johannes Offerhaus	Member		1957		[5]
Werner Ogris					[6]
Heinrich Wilhelm Matthias Olbers			1809		[7]
Hermann Oldenberg	Foreign Member		1919		[8]
Axel Olrik	Foreign Member		1914		[9]
Jean-Baptiste-Julien d' Omalius d’Halloy			1816		[10]
Balthazar Paulus Ommeganck			1816		[11]
Conrad Gerard Ontijd			1809		[12]
Louis Onvlee	Corresponding Member		1952	Resigned in 1956.	[13]
Willem Johan van der Oord	Corresponding member		1969		[14]
Jan Willem Louis van Oordt			1855		[15]
Jan Hendrik Oort	Member		1937	Resigned in 1943, re-admitted in 1945.	[16]
Arend Joan Petrus Oort	Member		1958		[17]
John van der Oost	Member	Natural Sciences and Engineering	2017		[18]
Luitzen Johannes Oosterhoff	Member		1963		[19]
Frits van Oostrom	Member	Humanities	1994		[20]
Eric Opdam	Member	Natural Sciences and Engineering	2012		[21]
Jacques Oppenheim	Member		1902		[22]
Hans Opschoor	Member	Behavioural Sciences, Social Sciences and Law	1994		[23]
Cornelis Willem Opzoomer	Member		1856		[24]
Gerrit van Orden			1821		[25]
Johann Caspar von Orelli			1832		[26]
Gordon Orians	Foreign Member	Natural Sciences and Engineering	1983		[27]
L.S. Ornstein	Member		1929		[28]
Michel Orrit	Member	Natural Sciences and Engineering	2018		[29]
Jhr. Jacob Reinoud Theodoor Ortt			1870		[30]
Henk van Os	Member	Humanities	1989		[31]
Jim van Os	Member	Medical, Biomedical and Health Sciences	2011		[32]
Pieter Gerardus van Os			1820		[33]
Jan Osse	Member	Natural Sciences and Engineering	1994		[34]
Frederik Daniel Eduard van Ossenbruggen			1916		[35]
Ab Osterhaus	Member	Medical, Biomedical and Health Sciences	2001		[36]
Jeremiah Ostriker	Foreign Member	Natural Sciences and Engineering	1999		[37]
Friedrich Wilhelm Ostwald	Foreign Member		1904		[38]
Louis Otten	Corresponding Member		1934		[39]
Koen Ottenheym	Member	Humanities	2010		[40]
Sijbren Otto	Member	Natural Sciences and Engineering	2020		[41]
Corneille Antoine Jean Abram Oudemans	Member		1858		[42]
Antonie Corneille Oudemans, Junior	Member		1869		[43]
Jean Abraham Chrétien Oudemans	Member		1855		[44]
Alexander van Oudenaarden	Member	Medical, Biomedical and Health Sciences	2014		[45]
Adrianus Jacob François Oudendal	Corresponding Member		1926	Resigned in 1930.	[46]
Sir William G. Ouseley of Crickhowell			1815		[47]
Julius Christiaan van Oven	Member		1948		[48]
Jan Theodoor Gerard Overbeek	Member		1953		[49]
Hermen Overkleeft	Member	Natural Sciences and Engineering	2018		[50]
Richard Owen			1844		[51]
Hendrik van Oyen	Foreign Member		1956		[52]