Opposition Players
| Full Name sorted ascending | Birthdate sortable | Era | Club(s) sortable | Apps sortable | Goals sortable |
|---|---|---|---|---|---|
| Nedum Onuoha | 12 Nov 1986 | 2004-05 – 2014-15 | Manchester City, Queens Park Rangers, Sunderland | 12 | 0 |
| Kivrak Onur | 1 Jan 1988 | 2010-11 | Trabzonspor | 2 | 0 |
| Udo Onwere | 9 Nov 1971 | 1993-94 | Fulham | 2 | 0 |
| Frank Onyeka | 1 Jan 1998 | 2020-21 – 2025-26 | Brentford, FC Midtjylland | 8 | 0 |
| Oguchi Onyewu | 13 May 1982 | 2008-09 | Standard Liege | 1 | 0 |
| Oguchi Onyewu | 13 May 1982 | 2006-07 | Newcastle United | 1 | 0 |
| André Ooijer | 11 Jul 1974 | 2006-07 – 2008-09 | Blackburn Rovers | 5 | 0 |
| Daniel Opare | 18 Oct 1990 | 2014-15 | Besiktas | 1 | 0 |
| Loïs Openda | 16 Feb 2000 | 2024-25 | RasenBallsport Leipzig | 1 | 0 |
| Daniel Oprita | 10 Aug 1981 | 2003-04 | Steaua Bucharest | 2 | 0 |
| Costel Orac | 22 Jan 1959 | 1983-84 | Dinamo Bucharest | 2 | 1 |
| Milan Oraze | 29 Mar 1967 | 1991-92 | Swarovski Tirol | 2 | 0 |
| Willi Orbán | 3 Nov 1992 | 2020-21 – 2024-25 | RasenBallsport Leipzig | 2 | 0 |
| Roger Ord | 1893-94 | Middlesbrough Ironopolis | 1 | 0 | |
| Richard Ord | 3 Mar 1970 | 1990-91 – 1996-97 | Sunderland | 4 | 0 |
| Kieran O'Regan | 9 Nov 1963 | 1985-86 | Brighton & Hove Albion | 1 | 0 |
| Nico O'Reilly | 21 Mar 2005 | 2025-26 | Manchester City | 3 | 0 |
| Des O'Reilly | 1969-70 | Dundalk | 2 | 0 | |
| Gary O'Reilly | 21 Mar 1961 | 1981-82 – 1989-90 | Tottenham Hotspur, Crystal Palace | 6 | 1 |
| Jack O'Reilly | 7 May 1914 | 1936-37 | Norwich City | 1 | 0 |
| Ak Orhan | 29 Sept 1979 | 2006-07 | Galatasaray | 1 | 0 |
| Yilmaz Orhan | 13 Mar 1955 | 1975-76 | West Ham United | 1 | 0 |
| Divock Origi | 18 Apr 1995 | 2023-24 | Nottingham Forest | 1 | 0 |
| Matt O'Riley | 21 Nov 2000 | 2024-25 | Brighton & Hove Albion | 1 | 0 |
| Paul O'Riley | 17 Oct 1950 | 1971-72 | Hull City | 1 | 0 |
| Don O'Riordan | 14 May 1957 | 1977-78 | Derby County | 1 | 0 |
| Toddi Örlygsson | 2 Aug 1966 | 1989-90 – 1994-95 | Nottingham Forest, Stoke City | 4 | 0 |
| Javier Ormaza | 29 Nov 1944 | 1968-69 | Athletic Bilbao | 1 | 1 |
| Brett Ormerod | 18 Oct 1976 | 2001-02 – 2004-05 | Southampton | 4 | 1 |
| Andrew Ormiston | 1 Mar 1884 | 1908-09 – 1912-13 | Chelsea, Lincoln City | 3 | 0 |
| Ian Ormondroyd | 22 Sept 1964 | 1989-90 | Aston Villa | 1 | 0 |
| Brendan Ormsby | 1 Oct 1960 | 1979-80 – 1985-86 | Aston Villa | 6 | 0 |
| Alec Ormston | 10 Feb 1919 | 1938-39 – 1950-51 | Stoke City | 11 | 0 |
| Frank O'Rourke | 5 Dec 1878 | 1908-09 – 1912-13 | Bradford City | 7 | 1 |
| John O'Rourke | 11 Feb 1945 | 1968-69 – 1970-71 | Coventry City, Ipswich Town | 7 | 2 |
| Bradley Orr | 1 Nov 1982 | 2011-12 | Blackburn Rovers, Queens Park Rangers | 2 | 0 |
| Johnny Orr | 1907-08 – 1914-15 | Blackburn Rovers | 6 | 5 | |
| Neil Ian Orr | 13 May 1959 | 1982-83 – 1986-87 | West Ham United | 5 | 0 |
| Ronald Orr | 6 Aug 1880 | 1901-02 – 1906-07 | Newcastle United | 5 | 2 |
| Willie Orr | 20 Jun 1873 | 1894-95 – 1896-97 | Preston North End | 3 | 0 |
| Willie Orr | 1901-02 – 1904-05 | Glossop North End, Manchester City | 4 | 0 | |
| Richard Orrell | 1899-1900 – 1905-06 | Preston North End | 4 | 0 | |
| Riccardo Orsolini | 24 Jan 1997 | 2024-25 | Bologna FC 1909 | 1 | 0 |
| Stefan Ortega | 6 Nov 1992 | 2022-23 – 2025-26 | Manchester City, Nottingham Forest | 4 | 0 |
| Celso Ortiz | 26 Jan 1989 | 2019-20 | Club de Fútbol Monterrey | 1 | 0 |
| Wilson Oruma | 30 Dec 1976 | 2007-08 | Marseille | 1 | 0 |
| Ben Osborn | 8 May 1994 | 2020-21 – 2023-24 | Sheffield United | 3 | 0 |
| Freddie Osborn | 10 Nov 1889 | 1913-14 – 1919-20 | Preston North End | 4 | 2 |
| Simon Osborn | 19 Jan 1972 | 1990-91 – 1992-93 | Crystal Palace | 4 | 0 |
| Archie Osborne | 1893-94 | Notts County | 2 | 0 | |
| Frank Osborne | 14 Oct 1896 | 1923-24 – 1927-28 | Tottenham Hotspur | 8 | 4 |
| John Osborne | 1 Dec 1940 | 1966-67 – 1976-77 | West Bromwich Albion | 13 | 0 |
| Reg Osborne | 23 Jul 1898 | 1925-26 – 1932-33 | Leicester City | 12 | 0 |
| Roger Osborne | 9 Mar 1950 | 1975-76 – 1977-78 | Ipswich Town | 6 | 0 |
| Isaiah Osbourne | 15 Nov 1987 | 2006-07 | Aston Villa | 1 | 0 |
| Oscar | 9 Sept 1991 | 2012-13 – 2016-17 | Chelsea | 7 | 1 |
| Oscar López | 11 May 1980 | 2005-06 | Real Betis | 2 | 0 |
| Oscar Vales | 13 Sept 1974 | 1998-99 | Celta Vigo | 1 | 0 |
| Harry Oscroft | 10 Mar 1926 | 1950-51 – 1958-59 | Stoke City | 14 | 6 |
| Keith Osgood | 8 May 1955 | 1974-75 – 1979-80 | Tottenham Hotspur, Derby County, Coventry City | 8 | 0 |
| Peter Osgood | 20 Feb 1947 | 1965-66 – 1976-77 | Chelsea, Southampton | 15 | 3 |
| Dara O'Shea | 4 Mar 1999 | 2020-21 – 2026-27 | Ipswich Town, Burnley, West Bromwich Albion | 5 | 1 |
| John O'Shea | 30 Apr 1981 | 2001-02 – 2016-17 | Manchester United, Sunderland | 25 | 1 |
| Tim O'Shea | 12 Nov 1966 | 1987-88 | Tottenham Hotspur | 1 | 0 |
| Gabriel Osho | 14 Aug 1998 | 2023-24 | Luton Town | 2 | 0 |
| Victor Osimhen | 29 Dec 1998 | 2022-23 – 2025-26 | Galatasaray, Napoli | 5 | 1 |
| Abdul Osman | 27 Feb 1987 | 2010-11 | Northampton Town | 1 | 0 |
| Leon Osman | 17 May 1981 | 2004-05 – 2013-14 | Everton | 21 | 1 |
| Russell Osman | 14 Feb 1959 | 1977-78 – 1989-90 | Ipswich Town, Southampton, Leicester City | 25 | 1 |
| David Ospina | 31 Aug 1988 | 2014-15 – 2018-19 | Napoli, Arsenal | 3 | 0 |
| Egil Ostenstad | 2 Jan 1972 | 1996-97 – 2002-03 | Southampton, Blackburn Rovers | 5 | 3 |
| John Oster | 8 Dec 1978 | 1997-98 – 2007-08 | Reading, Everton | 6 | 0 |
| Charlie Ostick | 1901-02 – 1904-05 | Bolton Wanderers | 4 | 0 | |
| Leo Skiri Østigård | 28 Nov 1999 | 2022-23 | Napoli | 1 | 0 |
| Jack Ostler | 1898-99 | Newcastle United | 2 | 0 | |
| William Osula | 4 Aug 2003 | 2022-23 – 2026-27 | Newcastle United, Sheffield United, Derby County | 7 | 1 |
| Peter O'Sullivan | 4 Mar 1951 | 1979-80 – 1980-81 | Brighton & Hove Albion | 3 | 0 |
| Dani Osvaldo | 12 Jan 1986 | 2013-14 | Southampton | 1 | 0 |
| Bert Oswald | 20 Dec 1904 | 1931-32 – 1933-34 | Sheffield United | 4 | 2 |
| Nicolás Otamendi | 12 Feb 1988 | 2015-16 – 2021-22 | Manchester City, Benfica | 13 | 0 |
| Otávio | 9 Feb 1995 | 2017-18 – 2021-22 | FC Porto | 5 | 0 |
| Didier Otokoré | 26 Mar 1969 | 1991-92 | Auxerre | 1 | 0 |
| Sid Ottewell | 23 Oct 1919 | 1948-49 | Nottingham Forest | 2 | 0 |
| Heine Otto | 24 Aug 1954 | 1981-82 | Middlesbrough | 3 | 0 |
| Ricky Otto | 9 Nov 1967 | 1994-95 – 1996-97 | Charlton Athletic, Birmingham City | 4 | 1 |
| Abdeslam Ouaddou | 1 Nov 1978 | 2001-02 – 2002-03 | Fulham | 2 | 0 |
| Abdoul Ouattara | 22 Oct 2005 | 2026-27 | Ipswich Town | 1 | 0 |
| Dango Ouattara | 11 Feb 2002 | 2022-23 – 2025-26 | Bournemouth, Brentford | 5 | 1 |
| Oubina Borja | 17 May 1982 | 2007-08 | Birmingham City | 1 | 0 |
| Adam Ounas | 11 Nov 1996 | 2015-16 | Bordeaux | 1 | 0 |
| Sergei Ovchinnikov | 10 Nov 1970 | 2000-01 | FC Porto | 1 | 0 |
| Gilbert Ovens | 1913-14 | Queens Park Rangers | 1 | 0 | |
| Wolfgang Overath | 29 Sept 1943 | 1964-65 | Cologne | 3 | 0 |
| Jack Overfield | 14 May 1932 | 1955-56 – 1961-62 | Sunderland, Leeds United | 6 | 1 |
| Marc Overmars | 29 Mar 1973 | 1997-98 – 2001-02 | Arsenal, Barcelona | 8 | 1 |
| Vince Overson | 15 May 1962 | 1991-92 – 1994-95 | Stoke City | 3 | 0 |
| Bryan Oviedo | 18 Feb 1990 | 2012-13 – 2015-16 | Everton | 3 | 0 |
| Aled Owen | 7 Jan 1934 | 1959-60 – 1960-61 | Ipswich Town | 2 | 0 |
| Brian Owen | 2 Nov 1944 | 1969-70 | Watford | 1 | 0 |
| Gordon Owen | 14 Jun 1959 | 1984-85 | Barnsley | 1 | 0 |
Total: 16004 players | Page 110 of 161