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Golfers O

Everyone in our records whose surname starts with O: 195 names. A name with a player card links to it; every other name links to each room that holds him or her, with that room's own years.

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  1. Mychael O'Berry U.S. Women's Amateur: played 2020
  2. D. G. O'Brien The Amateur Championship: played 1953
  3. Donna O'Brien U.S. Women's Amateur: played 1959
  4. Mrs. Donald O'Brien U.S. Women's Amateur: played 1959
  5. Patrick O'Brien U.S. Amateur: played 1996
  6. S. O'Brien-Kenney The Women's Amateur: played 1985, 1988
  7. Eoghan O'Connell U.S. Amateur: medalist 1989 · played 1989
  8. Frank E. O'Conner U.S. Amateur: played 1956
  9. Mrs. Pippy Rooney O'Conner U.S. Women's Amateur: played 1963
  10. A. P. O'Connor The Amateur Championship: played 1968
  11. Christy O'Connor Jnr 2 Ryder Cups
  12. Christy O'Connor Snr 10 Ryder Cups
  13. Katherine O'Connor The Women's Amateur: played 2009
  14. Sam O'Dell U.S. Amateur: played 1999
  15. B. O'Donnell The Amateur Championship: played 1963
  16. Catherine O'Donnell U.S. Women's Amateur: played 2007
  17. Mrs. B. O'Donnell The Women's Amateur: played 1969
  18. Declan O'Donovan The Amateur Championship: played 2024–25
  19. Richard O'Donovan The Amateur Championship: played 2012
  20. Emma O'Driscoll The Women's Amateur: played 2011
  21. Shannon O'Dwyer The Women's Amateur: played 2021
  22. Mac O'Grady PGA Tour 2026
  23. Max O'Hagan The Amateur Championship: played 2018
  24. Sean O'Hair PGA Tour 2026
  25. Farah O'Keefe U.S. Women's Amateur: played 2024–26; The Women's Amateur: runner-up 2025 · semifinalist 2026 · played 2023–26
  26. Peter O'Keefe The Amateur Championship: played 2007
  27. David O'Kelly U.S. Amateur: played 1980
  28. Terry O'Laughlin U.S. Amateur: played 1997, 1999
  29. John O'Leary 1 Ryder Cup
  30. Daniel O'Loughlin The Amateur Championship: played 2017, 2019
  31. Peter O'Malley PGA Tour 2026
  32. Mark O'Meara 2 majors
  33. Alice O'Neal U.S. Women's Amateur: played 1948
  34. Conor O'Neil The Amateur Championship: played 2011
  35. Miss C. L. O'Neile The Women's Amateur: played 1904
  36. Gavin O'Neill The Amateur Championship: played 2005
  37. John O'Neill U.S. Amateur: played 1960, 1987
  38. Luke O'Neill The Amateur Championship: played 2021–23
  39. Callan O'Reilly The Amateur Championship: played 2013
  40. Mrs B. T. O'Reilly The Women's Amateur: played 1939
  41. Conor O'Rourke The Amateur Championship: played 2017
  42. A. O'Sullivan The Women's Amateur: played 1988
  43. Hannah O'Sullivan U.S. Women's Amateur: champion 2015 · semifinalist 2014 · played 2010, 2014–15
  44. Mark O'Sullivan The Amateur Championship: played 2004
  45. P. O'Sullivan The Amateur Championship: played 1970
  46. Pat O'Sullivan 1951 Titleholders champion
  47. W. M. O'Sullivan The Amateur Championship: played 1950
  48. W. O'Sullivan The Amateur Championship: played 1948–49
  49. Ryann O'Toole U.S. Women's Amateur: played 2005, 2008
  50. Mrs. Oakeley The Women's Amateur: played 1905
  51. Glenn Oatman U.S. Amateur: played 1941
  52. Aaron Oberholser U.S. Amateur: played 1997
  53. Albert Ochoa U.S. Amateur: played 1997
  54. Lorena Ochoa 2 majors
  55. John Oda U.S. Amateur: played 2016–17; The Amateur Championship: played 2015
  56. Pia Odefey The Women's Amateur: runner-up 2003 · played 2003
  57. Bryant Odom U.S. Amateur: played 2000
  58. Emily Odwin The Women's Amateur: played 2025
  59. Lew Oehmig U.S. Amateur: played 1960
  60. Lewis W. Oehmig U.S. Amateur: played 1955
  61. Maximilian Oelfke The Amateur Championship: played 2018
  62. Page Oeser U.S. Women's Amateur: played 1993
  63. Harry C. Offutt Jr. U.S. Amateur: played 1949
  64. Emily Ogilvy The Women's Amateur: played 2006, 2008–10
  65. Geoff Ogilvy 2006 U.S. Open champion
  66. Brett Ogle PGA Tour 2026
  67. Andy Ogletree 2019 U.S. Amateur champion
  68. David Ogrin U.S. Amateur: played 1976, 1979–80
  69. David Oh U.S. Amateur: semifinalist 2003 · played 2003
  70. James Oh U.S. Amateur: played 1999
  71. Nikki Oh U.S. Women's Amateur: played 2023
  72. Soomin Oh U.S. Women's Amateur: played 2026
  73. Su-Hyun Oh U.S. Women's Amateur: played 2012–14; The Women's Amateur: medalist 2013 · played 2013–14
  74. Sunny Oh U.S. Women's Amateur: played 2002
  75. Maria Ohlsson The Women's Amateur: played 2005
  76. Silje Torvund Ohma The Women's Amateur: played 2023, 2025
  77. Jason Oien U.S. Amateur: played 2000
  78. D. Ojala The Amateur Championship: played 1981
  79. David Ojala U.S. Amateur: played 1979
  80. Ayako Okamoto U.S. Women's Open: runner-up 1987; Prize money: LPGA money leader 1987
  81. David Olaia U.S. Amateur: played 1977
  82. C. E. Olander The Amateur Championship: played 1937
  83. Ainhoa Olarra The Women's Amateur: runner-up 2017 · played 2016–17
  84. José María Olazábal 2 majors
  85. A. Oldcorn The Amateur Championship: played 1983
  86. Andrew Oldcorn PGA Tour 2026
  87. Connie Oldershaw U.S. Women's Amateur: played 1952
  88. A. J. Oleksak U.S. Amateur: played 2007
  89. Jacob Skov Olesen 2024 Amateur Championship champion
  90. Thorbjørn Olesen 1 Ryder Cup
  91. James Oleska U.S. Amateur: played 1940, 1949
  92. Arthur C. Olfs Jr. U.S. Amateur: played 1951, 1955
  93. Lauren Olivares U.S. Women's Amateur: played 2025
  94. Mateo Fernandez de Oliveira U.S. Amateur: played 2021–22
  95. Ricardo Oliveira The Amateur Championship: played 1990
  96. Cora Oliver U.S. Women's Amateur: semifinalist 1896 · played 1896
  97. Ed "Porky" Oliver PGA Championship: runner-up 1946
  98. Ed Oliver 3 Ryder Cups
  99. Judith Oliver U.S. Women's Amateur: runner-up 1978 · played 1978; U.S. Women's Open: low amateur 1980
  100. Marion Oliver U.S. Women's Amateur: semifinalist 1899, 1908 · played 1899–1912
  101. Miss Oliver The Women's Amateur: played 1905
  102. Miss W. R. Oliver The Women's Amateur: played 1905–06, 1908
  103. Mateo Fernandez de Oliverira U.S. Amateur: played 2020
  104. Zachary Olsen U.S. Amateur: played 2013–15
  105. Marv Olshan U.S. Amateur: played 1961
  106. Amy Olson U.S. Women's Open: runner-up 2020
  107. Eddie Olson U.S. Amateur: played 2005–08
  108. Philip Olson U.S. Amateur: played 1963
  109. Robert Olson U.S. Amateur: played 1951
  110. Samantha Olson The Women's Amateur: played 2026
  111. Daniel Olsson The Amateur Championship: played 1996–97
  112. Jaco Olver The Amateur Championship: played 1998–99
  113. M. Olyphant U.S. Amateur: played 1906
  114. Bryan Omelia The Amateur Championship: played 1998
  115. Eric Onesi U.S. Amateur: played 2007
  116. Nellie Ong The Women's Amateur: played 2024, 2026
  117. Kaito Onishi U.S. Amateur: played 2017
  118. Natasha Andrea Oon U.S. Women's Amateur: played 2020
  119. Peter Oosterhuis 6 Ryder Cups
  120. Louis Oosthuizen 2010 Open champion
  121. Robbie Oosthuizen The Amateur Championship: played 1998
  122. Vernon L. Opp U.S. Amateur: played 1956
  123. Robert Oppenheim U.S. Amateur: played 1999
  124. R. H. Oppenheimer The Amateur Championship: played 1928–30, 1946, 1949
  125. Stephen Opperman U.S. Amateur: played 1960
  126. David Oraee U.S. Amateur: played 2015
  127. Maureen Orcutt U.S. Women's Amateur: runner-up 1927, 1936 · medalist 1928, 1931, 1932 · played 1923–62; The Women's Amateur: medalist 1932 · played 1931–32
  128. Miss Orcutt The Women's Amateur: played 1930
  129. Pedro Oriol The Amateur Championship: played 2009
  130. E. Orley The Women's Amateur: played 1986
  131. Robby Ormand U.S. Amateur: played 2006
  132. C. B. Ormerod The Amateur Championship: played 1926
  133. George A. Ormiston U.S. Amateur: played 1901–04, 1907, 1910, 1916
  134. Jackson Ormond U.S. Amateur: played 2026
  135. Miss A. Ormsby The Women's Amateur: played 1908
  136. Wade Ormsby PGA Tour 2026
  137. Mrs. R. Orpen The Women's Amateur: played 1907
  138. Miss Orphoot The Women's Amateur: played 1897
  139. A. E. Orr The Amateur Championship: played 1903
  140. David Orr The Amateur Championship: played 1996
  141. Edith Orr The Women's Amateur: champion 1897 · played 1897
  142. Gary Orr The Amateur Championship: played 1985–87
  143. H. R. Orr The Amateur Championship: played 1909
  144. Miss A. L. Orr The Women's Amateur: played 1897
  145. N. Orr The Amateur Championship: played 1909
  146. R. W. Orr The Amateur Championship: played 1902–07
  147. Theodora Orr The Women's Amateur: runner-up 1897 · played 1897
  148. W. F. Orr The Amateur Championship: played 1891–93, 1895, 1898
  149. Max Orrin U.S. Amateur: played 2013; The Amateur Championship: semifinalist 2013 · played 2012–13
  150. Lucia Lopez Ortega The Women's Amateur: played 2022
  151. Meja Ortengren The Women's Amateur: played 2022–24, 2026
  152. Álvaro Ortiz U.S. Amateur: played 2018; The Amateur Championship: played 2018
  153. Carlos Ortiz LIV Golf winner, 2024
  154. Juliana Murcia Ortiz U.S. Women's Amateur: played 2010
  155. M. Orueta The Women's Amateur: played 1986
  156. Morten Orveland The Amateur Championship: played 1997
  157. Jeff Osberg U.S. Amateur: played 2012
  158. Jennifer Osborn U.S. Women's Amateur: played 2004, 2006
  159. Ollie Osborne U.S. Amateur: runner-up 2020 · played 2020–21
  160. Sam Osborne The Amateur Championship: played 2003–04
  161. Tom Osborne The Amateur Championship: played 2024–25
  162. Fanny C. Osgood U.S. Women's Amateur: semifinalist 1903 · played 1902–19
  163. Minato Oshima The Amateur Championship: played 2023
  164. Matt Oshrine U.S. Amateur: played 2015–16
  165. Clyde Oskin U.S. Amateur: played 1958
  166. J. Oswald The Amateur Championship: played 1892, 1895, 1897, 1899
  167. Adrián Otaegui DP World Tour winner, 2024
  168. Harrison Ott U.S. Amateur: played 2018, 2020–21
  169. Virginia Ott U.S. Women's Amateur: played 1959
  170. Hennie Otto PGA Tour 2026
  171. Francis Ouimet 1913 U.S. Open champion
  172. J. H. Outhwaite The Amateur Championship: played 1895–96
  173. T. R. Outhwaite The Amateur Championship: played 1905, 1907
  174. Emilie Øverås The Women's Amateur: played 2018, 2022
  175. Mason Overstreet U.S. Amateur: played 2018
  176. Edmund B. Overton U.S. Amateur: played 1940
  177. Jeff Overton 1 Ryder Cup
  178. Spencer Overton U.S. Amateur: played 1949
  179. Greg Owen PGA Tour 2026
  180. Guy Owen U.S. Amateur: played 1949
  181. Simon Owen The Open: runner-up 1978
  182. Steve Owen U.S. Amateur: played 1978
  183. G. H. Owens The Amateur Championship: played 1948
  184. J. C. Owens The Amateur Championship: played 1974
  185. John Owens U.S. Amateur: played 1949, 1956–57, 1960, 1963
  186. Mervyn Owens The Amateur Championship: played 2005
  187. Mrs. Thaddeus C. Owings U.S. Women's Amateur: played 1959
  188. D. Oxley The Women's Amateur: played 1971
  189. Dinah Oxley The Women's Amateur: champion 1970 · medalist 1970 · semifinalist 1969 · played 1969–70
  190. Shiryu (Leo) Oyo U.S. Amateur: played 2019
  191. Calvin O’Carroll The Amateur Championship: played 1991–93
  192. Kevin O’Connell U.S. Amateur: played 2008, 2020
  193. Steven O’Hara The Amateur Championship: played 2000–01
  194. Michael O’Hare The Amateur Championship: played 1992
  195. Michael O’Neal U.S. Amateur: played 2008