NBA & ABA Players with Last Names Starting with O
Active players are listed in bold.
* Indicates member of the Hall of Fame.
101 Players Table
| Player |
From |
To |
Pos |
Ht |
Wt |
Birth Date |
Colleges |
| Charles O'Bannon | 1998 | 1999 | G-F | 6-5 | 209 | February 22, 1975 | UCLA |
|---|
| Ed O'Bannon | 1996 | 1997 | F | 6-8 | 222 | August 14, 1972 | UCLA |
|---|
| John O'Boyle | 1953 | 1953 | G | 6-2 | 185 | March 7, 1928 | Colorado State |
|---|
| Bob O'Brien | 1948 | 1949 | F | 6-4 | 190 | January 26, 1927 | Pepperdine |
|---|
| J.J. O'Brien | 2016 | 2016 | F | 6-7 | 228 | April 8, 1992 | San Diego State |
|---|
| Jim O'Brien | 1974 | 1975 | F | 6-7 | 200 | November 7, 1951 | Maryland |
|---|
| Jimmy O'Brien | 1972 | 1975 | G | 6-1 | 170 | April 9, 1950 | Boston College |
|---|
| Ralph O'Brien | 1952 | 1953 | G | 5-9 | 160 | April 8, 1928 | Butler |
|---|
| Johnny O'Bryant | 2015 | 2018 | F-C | 6-9 | 257 | June 1, 1993 | LSU |
|---|
| Patrick O'Bryant | 2007 | 2010 | C | 7-0 | 260 | June 20, 1986 | Bradley |
|---|
| Dermie O'Connell | 1949 | 1950 | G | 6-0 | 174 | April 13, 1928 | Holy Cross |
|---|
| Andy O'Donnell | 1950 | 1950 | G | 6-1 | 180 | March 10, 1925 | Loyola (MD) |
|---|
| Buddy O'Grady | 1947 | 1949 | G | 5-11 | 160 | January 19, 1920 | Georgetown |
|---|
| Fran O'Hanlon | 1971 | 1971 | G | 6-1 | 175 | August 24, 1948 | Villanova |
|---|
| Dick O'Keefe | 1948 | 1951 | G-F | 6-2 | 185 | September 29, 1923 | Santa Clara |
|---|
| Tommy O'Keefe | 1951 | 1951 | G | 6-2 | 185 | June 3, 1928 | Georgetown |
|---|
| Mike O'Koren | 1981 | 1988 | F-G | 6-7 | 207 | February 7, 1958 | UNC |
|---|
| Grady O'Malley | 1970 | 1970 | F | 6-5 | 205 | April 25, 1948 | Manhattan University |
|---|
| Jermaine O'Neal | 1997 | 2014 | C-F | 6-11 | 226 | October 13, 1978 | |
|---|
| Shaquille O'Neal* | 1993 | 2011 | C | 7-1 | 325 | March 6, 1972 | LSU |
|---|
| Royce O'Neale | 2018 | 2026 | F | 6-6 | 226 | June 5, 1993 | Denver, Baylor |
|---|
| Mike O'Neill | 1953 | 1953 | F | 6-3 | 210 | August 11, 1928 | California |
|---|
| Kyle O'Quinn | 2013 | 2020 | F-C | 6-9 | 250 | March 26, 1990 | Norfolk State |
|---|
| Kevin O'Shea | 1951 | 1953 | G | 6-2 | 175 | July 10, 1925 | Notre Dame |
|---|
| Garland O'Shields | 1947 | 1947 | G-F | 6-1 | 195 | May 23, 1921 | Tennessee |
|---|
| Dan O'Sullivan | 1991 | 1996 | C | 6-10 | 250 | March 3, 1968 | Fordham |
|---|
| Charles Oakley | 1986 | 2004 | F-C | 6-9 | 225 | December 18, 1963 | Virginia Union University |
|---|
| Fabricio Oberto | 2006 | 2011 | C-F | 6-10 | 245 | March 21, 1975 | |
|---|
| Daniel Ochefu | 2017 | 2017 | C | 6-11 | 245 | December 15, 1993 | Villanova |
|---|
| Greg Oden | 2009 | 2014 | C | 7-0 | 250 | January 22, 1988 | Ohio State |
|---|
| Lamar Odom | 2000 | 2013 | F | 6-10 | 220 | November 6, 1979 | Rhode Island |
|---|
| Josh Oduro | 2026 | 2026 | F | 6-9 | 240 | October 14, 2000 | George Mason, Providence |
|---|
| Bud Ogden | 1970 | 1971 | F | 6-6 | 215 | December 29, 1946 | Santa Clara |
|---|
| Ralph Ogden | 1971 | 1971 | F | 6-5 | 205 | January 25, 1948 | Santa Clara |
|---|
| Alan Ogg | 1991 | 1993 | C | 7-2 | 240 | July 5, 1967 | UAB |
|---|
| Don Ohl | 1961 | 1970 | G | 6-3 | 190 | April 18, 1936 | Illinois |
|---|
| Tim Ohlbrecht | 2013 | 2013 | C | 6-11 | 255 | August 30, 1988 | |
|---|
| Semi Ojeleye | 2018 | 2022 | F | 6-6 | 240 | December 5, 1994 | Duke, SMU |
|---|
| Emeka Okafor | 2005 | 2018 | C-F | 6-10 | 252 | September 28, 1982 | UConn |
|---|
| Jahlil Okafor | 2016 | 2025 | C-F | 6-10 | 270 | December 15, 1995 | Duke |
|---|
| Toby Okani | 2026 | 2026 | F | 6-8 | 210 | October 5, 2001 | Duquesne, University of Illinois at Chicago, West Virginia |
|---|
| Chuma Okeke | 2021 | 2025 | F | 6-7 | 229 | August 18, 1998 | Auburn |
|---|
| Elie Okobo | 2019 | 2020 | G | 6-3 | 190 | October 23, 1997 | |
|---|
| Josh Okogie | 2019 | 2026 | G | 6-4 | 213 | September 1, 1998 | Georgia Tech |
|---|
| Onyeka Okongwu | 2021 | 2026 | C-F | 6-10 | 240 | December 11, 2000 | USC |
|---|
| Isaac Okoro | 2021 | 2026 | G-F | 6-4 | 225 | January 26, 2001 | Auburn |
|---|
| KZ Okpala | 2020 | 2023 | F | 6-8 | 215 | April 28, 1999 | Stanford |
|---|
| Mehmet Okur | 2003 | 2012 | C-F | 6-11 | 249 | May 26, 1979 | |
|---|
| Victor Oladipo | 2014 | 2023 | G | 6-3 | 213 | May 4, 1992 | Indiana |
|---|
| Hakeem Olajuwon* | 1985 | 2002 | C | 7-0 | 255 | January 21, 1963 | Houston |
|---|
| Mark Olberding | 1976 | 1987 | F | 6-8 | 225 | April 21, 1956 | Minnesota |
|---|
| Lachlan Olbrich | 2026 | 2026 | F-C | 6-8 | 236 | December 30, 2003 | University of California, Riverside |
|---|
| Jawann Oldham | 1981 | 1991 | C | 7-0 | 215 | July 4, 1957 | Seattle University |
|---|
| John Oldham | 1950 | 1951 | G | 6-3 | 175 | June 22, 1923 | Western Kentucky |
|---|
| Frank Oleynick | 1976 | 1977 | G | 6-2 | 185 | February 20, 1955 | Seattle University |
|---|
| Quincy Olivari | 2025 | 2025 | G | 6-2 | 201 | May 27, 2001 | Rice University, Xavier |
|---|
| John Olive | 1979 | 1980 | F | 6-7 | 210 | March 1, 1955 | Villanova |
|---|
| Brian Oliver | 1991 | 1998 | G | 6-4 | 210 | June 1, 1968 | Georgia Tech |
|---|
| Cameron Oliver | 2021 | 2022 | F | 6-8 | 225 | July 11, 1996 | Nevada |
|---|
| Dean Oliver | 2002 | 2003 | G | 5-11 | 180 | November 5, 1978 | Iowa |
|---|
| Jimmy Oliver | 1992 | 1999 | G-F | 6-5 | 205 | July 12, 1969 | Purdue |
|---|
| Kevin Ollie | 1998 | 2010 | G | 6-2 | 195 | December 27, 1972 | UConn |
|---|
| Gene Ollrich | 1950 | 1950 | G | 5-11 | 160 | June 30, 1922 | Drake University |
|---|
| Michael Olowokandi | 1999 | 2007 | C | 7-0 | 269 | April 3, 1975 | University of the Pacific |
|---|
| Bud Olsen | 1963 | 1970 | F-C | 6-8 | 220 | July 25, 1940 | Louisville |
|---|
| Kelly Olynyk | 2014 | 2026 | C-F | 7-0 | 240 | April 19, 1991 | Gonzaga |
|---|
| Norchad Omier | 2026 | 2026 | F | 6-5 | 248 | August 28, 2001 | Arkansas State University, Miami (FL), Baylor |
|---|
| Eugene Omoruyi | 2022 | 2024 | F | 6-6 | 235 | February 14, 1997 | Rutgers University, Oregon |
|---|
| Miye Oni | 2020 | 2022 | G | 6-5 | 206 | August 4, 1997 | Yale |
|---|
| Arinze Onuaku | 2014 | 2017 | C | 6-9 | 255 | July 13, 1987 | Syracuse |
|---|
| Chinanu Onuaku | 2017 | 2018 | F-C | 6-10 | 245 | November 1, 1996 | Louisville |
|---|
| Barry Orms | 1969 | 1970 | G | 6-3 | 190 | May 1, 1946 | Saint Louis |
|---|
| Johnny Orr | 1950 | 1950 | F | 6-3 | 195 | June 10, 1927 | Beloit College |
|---|
| Louis Orr | 1981 | 1988 | F | 6-8 | 175 | May 7, 1958 | Syracuse |
|---|
| José Ortiz | 1989 | 1990 | F | 6-10 | 225 | October 25, 1963 | Oregon State |
|---|
| Daniel Orton | 2012 | 2014 | C-F | 6-10 | 255 | August 6, 1990 | Kentucky |
|---|
| Chuck Osborne | 1962 | 1962 | F | 6-6 | 210 | January 21, 1939 | Western Kentucky |
|---|
| Cedi Osman | 2018 | 2024 | F | 6-7 | 230 | April 8, 1995 | |
|---|
| Wally Osterkorn | 1952 | 1955 | F-C | 6-5 | 215 | July 6, 1928 | Illinois |
|---|
| Greg Ostertag | 1996 | 2006 | C | 7-2 | 280 | March 6, 1973 | Kansas |
|---|
| Matt Othick | 1993 | 1993 | G | 6-2 | 165 | March 16, 1969 | Arizona |
|---|
| Don Otten | 1950 | 1953 | C | 6-11 | 240 | April 18, 1921 | Bowling Green |
|---|
| Mac Otten | 1950 | 1950 | F-C | 6-7 | 220 | December 16, 1925 | Bowling Green |
|---|
| Daniel Oturu | 2021 | 2022 | F-C | 6-10 | 240 | September 20, 1999 | Minnesota |
|---|
| Kelly Oubre Jr. | 2016 | 2026 | F | 6-8 | 203 | December 9, 1995 | Kansas |
|---|
| Bo Outlaw | 1994 | 2008 | F | 6-8 | 210 | April 13, 1971 | South Plains College, Houston |
|---|
| Travis Outlaw | 2004 | 2014 | F | 6-9 | 210 | September 18, 1984 | |
|---|
| Claude Overton | 1953 | 1953 | G | 6-2 | 195 | December 16, 1927 | East Central University |
|---|
| Doug Overton | 1993 | 2004 | G | 6-3 | 190 | August 3, 1969 | La Salle |
|---|
| Andre Owens | 2006 | 2008 | G | 6-4 | 200 | October 31, 1980 | Indiana, Houston |
|---|
| Billy Owens | 1992 | 2001 | F-G | 6-9 | 225 | May 1, 1969 | Syracuse |
|---|
| Chris Owens | 2003 | 2003 | F | 6-7 | 245 | March 1, 1979 | Tulane, Texas |
|---|
| Eddie Owens | 1978 | 1978 | F | 6-7 | 210 | December 26, 1953 | UNLV |
|---|
| Jim Owens | 1974 | 1975 | F | 6-5 | 200 | May 1, 1950 | Arizona State |
|---|
| Keith Owens | 1992 | 1992 | F | 6-7 | 225 | May 31, 1969 | UCLA |
|---|
| Larry Owens | 2011 | 2012 | F | 6-7 | 210 | January 8, 1983 | Oral Roberts |
|---|
| Red Owens | 1950 | 1952 | G-F | 6-3 | 185 | September 2, 1925 | Baylor |
|---|
| Tariq Owens | 2020 | 2020 | F | 6-10 | 205 | June 30, 1995 | Tennessee, St. John's, Texas Tech |
|---|
| Tom Owens | 1972 | 1983 | C-F | 6-10 | 215 | June 28, 1949 | South Carolina |
|---|
| Ray Owes | 1997 | 1997 | F | 6-9 | 224 | December 11, 1972 | Arizona |
|---|
| Olumide Oyedeji | 2001 | 2003 | C | 6-10 | 240 | May 11, 1981 | |
|---|
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