Joueurs NHL — O
58 joueurs de baseball NHL dont le nom de famille commence par O.
- O'Brien, Dennis 1970–1979
- O'Brien, Liam 2014–
- O'Brien, Shane 2006–2014
- O'connell, Mike 1977–1989
- O'Connor, Buddy 1941–1950
- O'Connor, Drew 2020–
- O'Connor, Logan 2018–
- O'Donnell, Sean 1994–2011
- O'Flaherty, Gerry 1971–1978
- O'Hara, Cole 2025–
- O'Neill, Jeff 1995–2006
- O'Neill, Tom 1943–1944
- O'Ree, Willie 1957–1960
- O'Reilly, Ryan 2009–
- O'Reilly, Terry 1971–1984
- Oates, Adam 1985–2003
- Oddleifson, Chris 1972–1980
- Odelein, Lyle 1989–2005
- Odgers, Jeff 1991–2002
- Odjick, Gino 1990–2001
- Oduya, Johnny 2006–2017
- Oesterle, Jordan 2014–
- Oettinger, Jake 2020–
- Ogrodnick, John 1979–1992
- Ohgren, Liam 2023–
- Ohlund, Mattias 1997–2010
- Okhotiuk, Nikita 2021–
- Okposo, Kyle 2007–2023
- Olausson, Fredrik 1986–2002
- Olausson, Oskar 2022–
- Olczyk, Eddie 1984–1999
- Oleksiak, Jamie 2012–
- Olesz, Rostislav 2005–2013
- Oliver, Harry 1926–1936
- Oliver, Murray 1957–1974
- Olivier, Mathieu 2019–
- Oliwa, Krzysztof 1996–2005
- Olmstead, Bert 1948–1961
- Olofsson, Gustav 2015–
- Olofsson, Victor 2018–
- Orlando, Jimmy 1936–1942
- Orlov, Dmitry 2011–
- Orpik, Brooks 2002–2018
- Orr, Bobby 1966–1978
- Orr, Colton 2003–2014
- Osborne, Mark 1981–1994
- Osgood, Chris 1993–2010
- Oshie, T.J. 2008–2023
- Ostapchuk, Zack 2023–
- Ostlund, Noah 2024–
- Ostman, Victor 2024–
- Othmann, Brennan 2023–
- Ott, Steve 2002–2016
- Ottavainen, Ville 2024–
- Otto, Joel 1984–1997
- Ovechkin, Alex 2005–
- Owen, George 1928–1932
- Ozolinsh, Sandis 1992–2007
