| LP | Kierowca | Zwycięstwa | Zwycięstwa w MŚ | Data ostatniego zwycięstwa |
|---|---|---|---|---|
| 1 |  Charlie O'Brien |
2 | 0 | 1986-12-14 |
| 2 |  Daniel O'Brien |
1 | 0 | 2017-01-14 |
| 3 |  Eugene O'Brien |
2 | 0 | 1989-09-17 |
| 4 |  Jim O'Brien |
1 | 1 | 1964-09-19 |
| 5 | Michael O'Brien |
1 | 0 | 2015-05-03 |
| 6 | Mike O'Brien |
2 | 0 | 1987-08-02 |
| 7 | Tom O'Brien |
1 | 1 | 1964-09-19 |
| 8 | Ruairi O'Coileain |
1 | 0 | 1985-08-26 |
| 9 | Johnny O'Connell |
56 | 0 | 2009-08-30 |
| 10 | Martin O'Connell |
14 | 0 | 2015-07-26 |
| 11 | Tyler O'Connor |
7 | 0 | 2018-09-16 |
| 12 | Keith O'Dor |
2 | 0 | 1995-09-10 |
| 13 | Jason O'Halloran |
1 | 0 | 2016-07-10 |
| 14 | John O'Hara |
6 | 0 | 2005-11-06 |
| 15 |  Jason O'Keefe |
2 | 0 | 2016-01-16 |
| 16 |  Callan O'Keeffe |
1 | 0 | 2014-08-02 |
| 17 | Dylan O'Keeffe |
2 | 0 | 2018-08-04 |
| 18 | Johnny O'Mara |
3 | 3 | 1985-07-14 |
| 19 | Paul O'Neill |
2 | 0 | 2003-08-09 |
| 20 | John O'Steen |
7 | 1 | 1999-06-06 |
| 21 | Denis O'Sullivan |
1 | 0 | 1965-04-24 |
| 22 | Zak O'Sullivan |
6 | 0 | 2020-10-10 |
| 23 |  Patricio O'Ward |
29 | 0 | 2018-09-02 |
| 24 |  Darryl O'Young |
23 | 0 | 2017-09-24 |
| 25 |  Jan O. Pedersen |
1 | 1 | 1991-08-31 |
| 26 | Oliver Oakes |
4 | 1 | 2006-04-08 |
| 27 | Peter Obel |
1 | 0 | 2017-04-01 |
| 28 |  Marco Oberhauser |
2 | 0 | 2006-10-01 |
| 29 |  Kay Oberheide |
1 | 0 | 1987-10-18 |
| 30 | Jörg Obermoser |
8 | 0 | 1976-05-02 |
| 31 | Peter Oberndorfer |
7 | 0 | 2002-07-21 |
| 32 | Stefan Oberndorfer |
1 | 0 | 1995-05-14 |
| 33 | Larry Oberto |
8 | 0 | 2002-07-07 |
| 34 |  Bartosz Obłucki |
2 | 2 | 2006-09-24 |
| 35 |  Toshiyuki Ochiai |
9 | 0 | 2016-12-02 |
| 36 |  Esteban Ocon |
13 | 0 | 2015-05-09 |
| 37 |  Enrico Oddenino |
1 | 1 | 2006-07-30 |
| 38 | Steven Odendaal |
6 | 0 | 2016-08-28 |
| 39 | Jürgen Oelschläger |
10 | 0 | 2004-08-01 |
| 40 | Willi Oesterle |
2 | 0 | 1957-08-18 |
| 41 | Markus Oestreich |
57 | 0 | 2013-10-05 |
| 42 | Moritz Oestreich |
1 | 0 | 2017-07-09 |
| 43 | Eric Offenstadt |
4 | 0 | 1964-10-04 |
| 44 | Hitoshi Ogawa |
9 | 1 | 1992-04-26 |
| 45 |  Jérôme Ogay |
3 | 0 | 2019-07-08 |
| 46 | Sébastien Ogier |
53 | 51 | 2020-03-15 |
| 47 | René Ogrocki |
1 | 0 | 2016-05-07 |
| 48 | Sławomir Ogryzek |
1 | 0 | 2015-01-06 |
| 49 | Ai Ogura |
4 | 0 | 2018-11-25 |
| 50 |  Simon Ohlin |
1 | 0 | 2018-06-17 |
| 51 | Björn Ohlsson |
1 | 0 | 1993-07-04 |
| 52 | Linus Ohlsson |
3 | 0 | 2016-09-03 |
| 53 | Ryuichirou Ohtsuka |
2 | 0 | 2018-10-14 |
| 54 |  Enrique García Ojeda |
5 | 1 | 2013-10-27 |
| 55 |  Karim Ojjeh |
12 | 0 | 2018-09-02 |
| 56 | Akinori Okada |
1 | 0 | 1988-03-13 |
| 57 | Hideki Okada |
7 | 0 | 2001-11-11 |
| 58 | Tadayuki Okada |
9 | 9 | 2012-07-29 |
| 59 | Kouzo Okumura |
1 | 0 | 1983-04-24 |
| 60 | Håkan Olausson |
1 | 0 | 1982-05-31 |
| 61 | Thomas Oldrati |
4 | 4 | 2020-09-27 |
| 62 | Tomasz Oleksiak |
2 | 0 | 2001-09-23 |
| 63 | Tom Oliphant |
6 | 0 | 2020-08-09 |
| 64 | Genís Olivé |
5 | 0 | 2010-10-02 |
| 65 | Eduardo Oliveira |
2 | 0 | 1999-09-11 |
| 66 |  Miguel Oliveira |
15 | 13 | 2020-08-23 |
| 67 | Rui Oliveira |
1 | 1 | 2015-09-13 |
| 68 | Daniel Oliver |
4 | 0 | 2001-06-24 |
| 69 | Eric Oliver |
17 | 17 | 1954-07-04 |
| 70 | Jackie Oliver |
20 | 8 | 1976-08-22 |
| 71 | Stuart Oliver |
17 | 0 | 2004-10-03 |
| 72 | Hugo Oliveras |
4 | 0 | 2012-06-03 |
| 73 |  Yves Olivier |
1 | 0 | 1999-08-22 |
| 74 | Anders Olofsson |
17 | 0 | 1997-06-15 |
| 75 | Simon Olofsson |
1 | 0 | 2016-07-03 |
| 76 |  Audun Ove Olsen |
1 | 0 | 1985-05-19 |
| 77 | Dennis Olsen |
16 | 0 | 2019-11-23 |
| 78 | Ole Olsen |
3 | 3 | 1978-09-02 |
| 79 | Thomas Kjer Olsen |
5 | 5 | 2020-09-30 |
| 80 | Drake Olson |
4 | 0 | 1986-05-18 |
| 81 | Håkan Olsson |
1 | 0 | 1985-09-08 |
| 82 | Niclas Olsson |
1 | 0 | 2008-04-13 |
| 83 | Patrik Olsson |
3 | 0 | 2012-08-25 |
| 84 | Tommy Olsson |
1 | 0 | 1974-06-16 |
| 85 | Bob Olthoff |
9 | 0 | 1971-05-01 |
| 86 |  Chris On Chia |
2 | 0 | 2019-09-14 |
| 87 |  Can Öncü |
10 | 1 | 2018-11-18 |
| 88 | Deniz Öncü |
5 | 0 | 2018-09-23 |
| 89 |  Vladislav Ondrejik |
5 | 0 | 1971-08-21 |
| 90 | Danny Ongais |
7 | 1 | 1982-11-28 |
| 91 | Fabio Onidi |
5 | 0 | 2011-05-15 |
| 92 | Tom Onslow-Cole |
19 | 0 | 2019-07-14 |
| 93 | Jordan Oon |
4 | 0 | 2016-12-09 |
| 94 | Fritz Opel |
1 | 0 | 1905-08-27 |
| 95 | Bartosz Opioła |
1 | 0 | 2012-09-22 |
| 96 | Eivind Opland |
31 | 0 | 2000-08-13 |
| 97 |  Jarno Opmeer |
7 | 0 | 2016-09-10 |
| 98 | Jürgen Oppermann |
1 | 0 | 1990-03-24 |
| 99 | Lucas Ordoñez |
8 | 0 | 2013-06-02 |
| 100 | Rodrigo Ordoñez |
1 | 0 | 2010-05-22 |
| 101 |  Sebastian Ordoñez |
1 | 0 | 2013-08-18 |
| 102 | Ed Ordynski |
9 | 8 | 2002-05-05 |
| 103 | Alain Oreille |
8 | 6 | 1993-07-04 |
| 104 | Javier Orellana |
8 | 0 | 2015-10-04 |
| 105 | Manabu Orido |
2 | 0 | 2005-03-27 |
| 106 | Ryo Orime |
1 | 0 | 2005-06-26 |
| 107 | Jordi Oriola |
2 | 0 | 2013-07-14 |
| 108 | Pepe Oriola |
15 | 1 | 2020-09-27 |
| 109 | Edi Orioli |
4 | 0 | 1996-01-14 |
| 110 |  Raúl Orlandini |
2 | 0 | 2011-05-15 |
| 111 | Peter Orlando |
1 | 0 | 1974-04-15 |
| 112 | Federico Ormezzano |
7 | 0 | 1987-11-29 |
| 113 | Lucas Orrock |
2 | 0 | 2015-03-14 |
| 114 |  Hoover Orsi |
12 | 0 | 2001-08-19 |
| 115 | Dario Orsini |
3 | 0 | 2013-10-19 |
| 116 | Massimiliano Orsini |
1 | 1 | 0000-00-00 |
| 117 |  Stéphane Ortelli |
52 | 21 | 2016-07-17 |
| 118 | Felipe Ortiz |
3 | 0 | 2018-06-23 |
| 119 | Genito Ortiz |
4 | 0 | 1983-10-09 |
| 120 | Mike Ortmann |
3 | 0 | 2016-09-21 |
| 121 | Johannes Ortner |
10 | 3 | 1971-07-11 |
| 122 |  Egor Orudzhev |
14 | 0 | 2017-09-16 |
| 123 | Alex Osborne |
2 | 0 | 2016-09-04 |
| 124 | David Osborne |
1 | 0 | 2017-07-02 |
| 125 | Joe Osborne |
1 | 0 | 2017-05-07 |
| 126 | Zach Osborne |
1 | 1 | 2009-04-12 |
| 127 | Joe Osbourne |
2 | 0 | 2009-05-16 |
| 128 | Stefan Oschmann |
1 | 0 | 2018-07-08 |
| 129 | Kazuya Oshima |
18 | 0 | 2019-08-04 |
| 130 | Darius Oskoui |
1 | 0 | 2012-10-27 |
| 131 |  David Ostella |
1 | 0 | 2013-03-16 |
| 132 | Everardo Ostini |
1 | 1 | 1969-05-04 |
| 133 | Claudia Ostlender |
2 | 0 | 1985-07-27 |
| 134 | Emilio Ostorero |
1 | 0 | 1960-06-05 |
| 135 | Kakunoshin Ota |
2 | 0 | 2014-07-13 |
| 136 | Tetsuya Ota |
1 | 0 | 1994-10-23 |
| 137 | Hiroki Otsu |
1 | 0 | 2017-09-24 |
| 138 | Dion Otten |
3 | 0 | 2018-09-30 |
| 139 | Peter Öttl |
6 | 5 | 1996-05-26 |
| 140 | Philipp Öttl |
5 | 1 | 2018-05-06 |
| 141 | Massimo Ottobre |
5 | 0 | 1995-10-01 |
| 142 | Paweł Otwinowski |
1 | 0 | 2015-05-17 |
| 143 | Jean-Pierre Oudin |
2 | 2 | 1985-08-18 |
| 144 | Martyn Ouellet |
1 | 0 | 2009-09-29 |
| 145 |  Vello Õunpuu |
1 | 0 | 1982-02-14 |
| 146 | Michael Outzen |
2 | 0 | 2011-09-25 |
| 147 |  Anatoly Ovchinikov |
1 | 1 | 1976-05-16 |
| 148 | Knut Ove Børseth |
8 | 0 | 2010-05-09 |
| 149 | Hoyt Overbagh |
1 | 1 | 1978-07-08 |
| 150 | Joep Overbeeke |
1 | 0 | 2017-10-01 |
| 151 | David Ovey |
1 | 1 | 1983-06-19 |
| 152 | Hamza Owega |
3 | 0 | 2018-07-22 |
| 153 | Peter Owen |
1 | 0 | 2005-04-17 |
| 154 | Steve Owen |
4 | 0 | 2017-10-22 |
| 155 | Will Owen |
4 | 0 | 2020-07-19 |
| 156 | Raoul Owens |
1 | 0 | 2016-09-24 |
| 157 | Horst Owesle |
3 | 3 | 1971-08-14 |
| 158 |  Dave Oxton |
6 | 0 | 1984-01-22 |
| 159 | Toshiki Oyu |
3 | 0 | 2019-09-08 |
| 160 | Ahmed Özgün |
2 | 0 | 2006-09-24 |
| 161 | Mads Østberg |
7 | 7 | 2020-09-06 |