#4
Hirō Onoda
Hirō Onoda
#6
Hiroya Oku
Hiroya Oku
#8
Héctor Ortiz Orpinel
Héctor Ortiz Orpinel
#9
Héctor Melesio Cuén Ojeda
Héctor Melesio Cuén Ojeda
#12
Hernán Torres Oliveros
Hernán Torres Oliveros
#14
Humberto Ortíz
Humberto Ortíz
#17
Hayley Okines
Hayley Okines
#18
Harrison Otálvaro
Harrison Otálvaro
#19
Hernán Olguín
Hernán Olguín
#20
Harold Osorio
Harold Osorio
#21
Héctor Olimpo Espinosa Oliver
Héctor Olimpo Espinosa Oliver
#22
Horacio Orzán
Horacio Orzán
#23
Haret Ortega
Haret Ortega
#24
Héctor Ortiz Ortiz
Héctor Ortiz Ortiz
#25
Humberto Oviedo
Humberto Oviedo
#27
Hernán Grüber Odremán
Hernán Grüber Odremán
#28
Hernán Echavarría Olózoga
Hernán Echavarría Olózoga
#29
Hikari Ōe
Hikari Ōe
#30
Horacio O'Connor
Horacio O'Connor
#31
Hugh O'Brian
Hugh O'Brian
#33
Hélio Oiticica
Hélio Oiticica
#34
Haydee Oberreuter
Haydee Oberreuter
#35
Hōchū Ōtsuka
Hōchū Ōtsuka
#36
Hayley Orrantia
Hayley Orrantia
#37
Holly One
Holly One
#38
Hermann Julius Oberth
Hermann Julius Oberth
#42
Hisashi Owada
Hisashi Owada
#43
Heike Kamerlingh Onnes
Heike Kamerlingh Onnes
#44
Humberto Peraza y Ojeda
Humberto Peraza y Ojeda
#45
Harun Osman
Harun Osman
#47
Héctor O'Neill
Héctor O'Neill
#50
Héctor Hernández Ortega
Héctor Hernández Ortega
#51
Hiroko Oyamada
Hiroko Oyamada
#53
Humberto Ovelar
Humberto Ovelar
#55
Hotsumi Ozaki
Hotsumi Ozaki
#56
Héctor Enrique Olivares
Héctor Enrique Olivares
#57
Hanako Oshima
Hanako Oshima
#58
Hanne Gaby Odiele
Hanne Gaby Odiele
#61
Hernán Núñez Oyarce
Hernán Núñez Oyarce
#62
Howard T. Odum
Howard T. Odum
#63
Hideyuki Ohashi
Hideyuki Ohashi
#64
Héctor Olave
Héctor Olave
#65
Héctor Osuna
Héctor Osuna
#66
Hussein Onn
Hussein Onn
#67
Henrietta Ónodi
Henrietta Ónodi
#68
Héctor Castillo Olivares
Héctor Castillo Olivares
#69
Hugo Trivelli Oyarzún
Hugo Trivelli Oyarzún
#70
Homero Burgos Oliveros
Homero Burgos Oliveros
#72
Humphry Osmond
Humphry Osmond
#74
Hiromi Ōshima
Hiromi Ōshima
#75
Helen O'Hara
Helen O'Hara
#76
Henry Oldenburg
Henry #196
#77
Helen O'Connell
#78
Harald Öhquist
#80
Hironori Ōtsuka
#82
Hiramatsu Osensei
#83
Hillel Oppenheimer
#85
Hernán Oliva
#86
Heather O'Reilly
#87
Hernando Calvo Ospina
#89
Hidetaka Ogura
#90
Héctor Fernández Otones
#91
Henry Obando
#92
Hamaguchi Osachi
#93
Holger Osieck
#94
Hideaki Ōmura
#96
Humberto Silva Ochoa
#97
Hideo Ōshima
#98
Harm Ottenbros
#99
Hellen Onsando Obiri
#100
Hernán Ocampos
#101
Humberto Requena Oliva
#102
Hermann Obrist
#103
Hans von Obstfelder
#104
Heiko A. Oberman
#105
Hermann Osthoff
#106
Heriberto Olvera
#107
Hilarión Domingo Moreno Montes de Oca
#111
Héctor Omar
#114
Hugo Boatti Ossorio
#115
Hyoga Ota
#116
Hadda Ouakki
#117
Homare Okamura
#118
Hilda Oates
#120
Hans Olde
#121
Héctor Ostúa
#122
Hermilio de Olóriz
#123
Hervin Ongenda
#124
Haruna Ogata
#125
Hayato Okamoto
#126
Hijiri Onaga
#127
Helene Olafsen
#128
Helen Betty Osborne
#129
Henrik Ojamaa
#130
Hanneke Oosterwegel
#131
Hircano Ayuso y O'Horibe
#132
Héctor García Otero
#133
Hideaki Ozawa
#134
Heinrich Obersteiner
#135
Haritz Orbe
#136
Harvey O'Connor
#137
Hugo von Obernitz
#138
Hugo Primas de Orleans
#139
Higinio Ndong Obama
#140
Hugo Arley Tobar Otero
#141
Halszka Osmólska
#142
Héctor Gómez Olivera
#143
Hidekazu Otani
#144
Hans Oehler
#145
Henri Oreiller
#147
Hugo Oderigo
#148
Horacio Otheguy
#149
Hamilton Ortega
#150
Håkan Olsson
#151
Horacio Ortiz
#152
Higinio Ortúzar
#153
Hadja Fatimata Ouattara
#154
Hans Olsson
#155
Hakeem Odoffin
#156
Henry Odera Oruka
#157
Hazel R. O'Leary
#158
Hayato Okuda
#161
Hideyuki Ono
#162
Hanna Öberg
#163
Hermann Obrecht
#165
Hirotaka Okada
#168
Heinrich Josef Oberheid
#169
Helmut Oehring
#170
Hüseyin Özkan
#171
Hong Ok-Song
#172
Heber Oliveira
#173
Hugh O'Shaughnessy
#174
Hiroto Ogiwara
#175
Hector Olivencia
#176
Hannes Ocik
#178
Hiroyuki Omata
#179
Hisako Ōishi
#180
Hipólito Oliva
#182
Hisataka Okamoto
#183
Harutaka Ono
#184
Haidar Obeid
#185
Hope A. Olson
#186
Hampus Olsson
#188
Hiroaki Okuno
#190
Hairuddin Omar
#191
Halfdan Gran Olsen
#192
Hugues Obry
#193
Harold Osborn
#194
Hiro Ohashi
#195
Hans Olsson
#196
Hardy Olesen
#198
Harry Ocampo
#199
Hiroshi Ōtake