The following is a list of players, both past and current, who appeared at least in one game for the Seattle Mariners franchise.
Players in Bold are members of the National Baseball Hall of Fame.
Players in italics have had their numbers retired by the team.
List complete
A
, P, 2009–2010 , P, 1977–1981, 1983 , P, 1998–2002 , P, 1992 , 2B/OF, 2011–2015 , P, 2019 , P, 2023 , P, 1992 , P, 2019 , P, 2017 , C, 2010 , P, 1981 , 3B, 1983 , 2B, 1980–1981 , DH, 1983 , 1B, 2017 , P, 2016–2020 , IF/OF, 1991–1998 , OF, 2013–2014 , P, 1981–1982 , SS, 1980–1981 , P, 2026-Present , P, 1980 , P, 2021 , SS/2B, 2013 , OF, 2017 , P, 2021 , OF, 1994 , OF, 2016 , P, 2018–2019 , P, 2016 , OF, 2024–Present , 2B/SS, 2026-Present , P, 2004–2005 , SS, 1981 , SS, 2004 , P, 1994–1998 , P, 1993
B
, 2B, 1993 , P, 2004, 2006–2008 , 2B, 1977–1978 , 1B, 1988 , P, 2002 , OF, 2007–2009 , P, 1987–1991 , P, 1979–1982 , C, 2013 , C, 2010 , P, 1984–1985 , C, 2015 , P, 1992 , P, 2019 , P, 2007–2009 , P, 2019 , 1B, 2021 , P, 2024 , OF, 2013 , P, 2023–Present , DH, 1978–1979 , P, 1984 , P, 1980–1986 , P, 2011–2014 , 2B, 2017–2018 , SS, 2019 , P, 2008–2011 , P, 2014–2015 , P, 1995 , 3B/2B, 1998–2001 , 3B, 2005–2009 , P, 1995 , OF, 1980 , P, 2003 , P, 2016 , P, 2017–2018 , P, 2022 , 2B, 1983 , DH, 1977–1979 , P, 2023 , P, 1983–1986 , SS, 2005–2009 , P, 2019 , OF, 2019–2021 , P, 1981 , P, 2004 , C, 2013 , 2B, 2024–Present , IF/OF, 2002–2008, 2014–2015 , 3B, 1992–1995, 1997, 1999 , OF, 2004 , 1B/OF, 1978–1982 , OF, 2006 , P, 2024 , P, 2013 , OF, 1984–1986 , 2B, 1992–1993, 2001–2005 , OF, 2006 , C, 2001–2004, 2005 , P, 1982 , P, 2022 , P, 1993–1996 , P, 1994 , OF, 1982 , SS, 1999 , P, 2024 , P, 2022 , P, 2018–2019 , OF, 2010–2011 , OF, 1983–1987 , C, 1986–1992 , OF, 1994–1996 , P, 1979 , OF, 1986–1989 , 1B, 2009–2010 , P, 2021–Present , OF, 1977–1978 , P, 2019–2020 , OF, 1988–1992 , 1B, 2006–2007 , OF, 1982 , P, 1992 , P, 1986–1987 , P, 1978 , OF, 2019 , OF, 2019 , SS, 1990 , OF, 2005 , C, 2014 , OF, 1988–2001 , P, 2023 , C, 1981–1983 , P, 1998 , P, 1999 , P, 1990–1991 , P, 2025 , C, 2007–2009 , P, 1977–1978 , OF, 1981 , OF, 2010
C
, 2B, 2023 , IF/OF, 2004 , IF, 2008 , OF, 1984–1986 , OF, 2000–2003 , P, 2016 , 1B, 2021 , P, 2023 , P, 1987–1989 , P, 2005–2007 , 2B, 2014–2018 , OF, 2023–Present , P, 2012–2013 , P, 2019 , P, 1995–1997, 1999 , 1B, 2009–2012 , P, 2003 , C, 2022 , P, 2025 , P, 2021–2023 , P, 2025 , P, 2025 , P, 2022-2026 , 3B, 1982–1983 , C, 2015 , P, 1982–1983 , IF, 1999 , IF–OF, 2009 , DH/OF, 1983–1985 , P, 2021, 2024 , P, 1993, 1995–1997, 2001 , OF, 2009, 2013–2014 , C, 1998 , P, 2006 , OF, 2005–2006 , OF, 1987 , 3B, 2002–2003 , P, 2016–2017 , P, 1981–1983, 1990 , P, 1987 , OF, 2024 , P, 1981 , C, 2007–2008 , C, 2016 , P, 1997–1999 , P, 2017 , IF/OF, 1989–1992 , P, 1978 , 1B, 2003 , OF, 1995 , 3B/OF, 1983–1985, 1988–1990 , OF, 1977 , P, 2018 , P, 2010 , P, 1989–1991 , P, 1993–1995 , P, 2018 , 2B, 1995–1998 , P, 2008–2009 , P, 2010 , P, 2010–2011 , P, 2020 , OF, 1988–1993 , 3B, 2019 , OF, 1982–1986 , C, 1977, 1979–1980 , 3B, 1980 , OF, 1998 , OF, 1979–1980 , SS, 2019–Present , P, 2002 , P, 2026-Present , P, 2006 , OF, 1997 , 2B, 1977–1983 , OF/DH, 2015–2018 , SS, 1982–1983 , P, 1993–1995 , P, 2017 , DH, 2011
D
, P, 1994 , P, 1999 , P, 2026-Present , 1B/DH, 1984–1991 , C, 2002–2004 , P, 2007 , 3B, 1996–1999 , P, 1994–1997 , P, 1995–1996 , P, 1979 , P, 2024 , P, 2017 , P, 2011–2012 , P, 1989 , OF, 1977 , P, 1990–1993 , OF, 2014 , P, 2018 , OF, 1995–1996 , P, 2016–2018 , P, 2024–Present , SS, 1987–1989 , P, 2008 , 3B, 2004–2006 , P, 2026-Present , UT, 2026-Present , P, 2021 , P, 1981 , P, 1979–1980 , OF, 1997–1998 , P, 2021 , P, 2018 , P, 2019–2021 , P, 1989 , OF, 2017
E
, P, 1990 , 3B, 1980–1983 , P, 2020 , P, 2014–2015, 2018–2019, 2022 , 2B, 2022 , OF, 2007 , SS/3B, 2026-Present , DH, 2019 , P, 1977 , OF, 2020 2B, 2017 , IF, 1997 , C, 1982 , P, 2025–Present , OF/DH, 2006
F
, OF, 2022, 2026 , P, 2013–2015 , P, 1997–1999 , P, 2006–2008 , OF, 1993 , P, 2025 , SS, 1994–1995 , P, 2026-Present , P, 2018–2019, 2022–2023 , OF, 1988–1989 , P, 2017 , IF, 2010–2012 , P, 1986 , C, 1981–1982 , P, 1992 , P, 2009–2011 , P, 2002 , P, 1991–1995 , P, 2020–2021 , P, 2021–2023 , C, 2025 , 1B/DH, 2022, 2023 , P, 1998 , C, 1977 , OF, 2019–2021 , 1B, 2020–2024 , 2B, 2013–2014 , P, 1999, 2001–2005 , P, 2020 , 2B/OF, 2022 , 1B, 2016–2017 , C, 2018–2019 , P, 2009–2010 , P, 1995 , P, 2006 , P, 2001 , P, 2011–2015
G
, P, 1998 , P, 1977, 1981 , P, 2017 , OF, 2016–2018 , P, 2025 , P, 1999–2004 , P, 2024 , P, 1990 , P, 2017–2019 , DH/C, 2024-2026 , 2B, 1997 , P, 2017 , P, 2019 , P, 1984–1985 , P, 2020 , 2021–Present , 2B, 1990 , P, 2022 , OF, 2014 , C, 2011 , OF, 1998–2002 , P, 1981–1982 , P, 1994 , C, 2021 , P, 2018 , P, 2017–2023 , P, 2026-Present , C, 2005 , P, 1994 , C, 2017 , P, 2023 , P, 1992 , P, 2020–2021 , 1B, 1981–1982 , P, 2011 , IF, 2007 , P, 2006–2008 , OF, 1990–1991 , OF, 1989–1999, 2009–2010 , P, 2018 , P, 2019–2020 , P, 2015–2016 , P, 2004–2006 , P, 1984, 1986–1987, 1995–1996 , SS, 1997–1999 , P, 2019–2020 , SS, 1998–2003 , OF, 2007 , C, 1981 , P, 1992 , OF, 2009–2013, 2015–2016
H
, UT, 2020–2024 , P, 2025 , P, 1999–2002 , OF, 1978–1979 , IF–OF, 2009 , OF, 2010–2011 , P, 1993 , P, 2023–Present , OF, 2017–2022, 2024 , 3B, 2009 , OF, 2017 , 3B, 2004–2005 , P, 1988–1993 , P, 2015 , P, 1995–1996 , P, 2013 , P, 1989–1992 , P, 2005–2006 , OF, 2014 , P, 2002–2005 , C, 1992–1994 , 1B, 2018–2019 , P, 1980 , C, 1992 , OF, 1981–1986 , OF, 2000 , OF, 1983–1984 , OF, 1986–1988 , P, 1999 , P, 1993 , OF, 2016–2018 , 2B, 2000 , P, 2005–2019 , P, 2024 , OF, 2023 , C, 2018 , P, 2017 , P, 1994 , C, 2015 , OF, 1998 , C, 1980 , P, 1994 , P, 1999 , P, 1979 , P, 2020 , P, 1996 , P, 2000 , P, 1998 , 3B, 1996 , P, 1993 , P, 1989–1991 , P, 1997 , P, 1977–1980 , P, 2026 , OF, 1979–1980 , P, 1977–1978 , C, 1991, 1993–1994 , OF, 1992–1993 , P, 2006–2007 , C, 2020 , P, 1986–1987 , 2B, 2008 , C/OF, 2023 , OF, 1999 , 1B, 1996 , P, 1996–1997 , OF, 1999 , IF, 1998
I
, C, 2016 , OF, 1996–2000, 2004–2008, 2013 , P 2012–2017
J
, OF, 2014–2015 , P, 2025 , P, 1988–1991, 1996 , 1B, 1999 , 1B, 2004 , P, 2009 , OF, 2022 , P, 2004 , C/DH, 2012 , OF, 2000–2001 , DH, 1994 , P, 2006, 2008 , DH 2012 , OF, 2007–2008 , OF/1B, 2026-Present , C, 2006–2009 , P, 1989–1998 , C, 2007–2010 , P, 2016 , OF, 2006–2007 , P, 1991–1992 , OF, 2014–2015 , P, 1979 , P, 1977–1978 , SS, 1986 , OF, 1977–1979 , OF, 1990–1991 , 1B, 1996 , C, 1977
K
, P, 2016 , SS/2B, 2012 , P, 2002 , C, 1984–1987 , P, 1977 , 2021–2023 , P, 2009–2012 , OF, 1997 , 2B, 2011 , IF, 2026 , P, 2015 , P, 2004–2005 , P, 2019–2021 , P, 1993–1995 , OF, 1987–1989 , OF, 2001–2002 , P, 2012 , P, 2022–Present , P, 1996 , P, 1990 , C, 2022 , P, 2022 , 1B, 2010 , P, 2025 , P, 1992 , C, 1995 , P, 1991, 1995
L
, P, 1986 , P, 2011 , P, 2013 , 1B, 2008 , P, 2020–2021 , OF, 2022 , C, 1999–2001 , OF, 2009–2010, 2011 , P, 1984–1989 , P, 2025 , OF, 2022 , 3B/DH, 2023 , P, 2017–2018, 2025–Present , OF, 2006 , P, 1977 , P, 1985 , P, 2010–2012 , P, 2017–2019 , P, 1992–1993 , P, 2016, 2018–2019 , P, 2010 , 1B, 2016 , P, 2025–2026 , P, 1999 , OF, 1991–1992 , OF, 1989–1990 , P, 2014–2015, 2023 , 3B, 2004 , OF, 2000 , P, 1979, 1985 , OF, 2019–2022 , 3B, 2011–2013 , 1B, 2016 , P, 1997–1998 , 1B, 1977 , 2B, 1993 , P, 2006 , P, 2020 , 1B, 2024 , P, 2013 , P, 1985 , SS, 2019–2021 , P, 2003 , OF, 2019–2020 , OF, 1977 , 2B, 2004–2010 , 2B, 2004 , P, 1998 , P, 1990 , P, 1994 , P, 1997 , P, 2006–2010, 2015 , P, 2011 , P, 2012–2015
M
, OF, 1999–2000, 2003 , P, 1977 , C, 2000 , P, 2017 , OF, 1994 , P, 1997 , P, 2004–2005 , 3B, 1993 , P, 2019–2020 , 1B, 1981–1983 , 3B, 2010 , 3B, 1996 , P, 1997 , P, 2020–2022 , C, 2017–2018 , P, 2019 , OF, 2023–2024 , OF, 2020–2021 , P, 2017 , P, 1999 , SS, 2015–2016 , OF, 2000–2001 , P, 2016–2017 , OF, 2016 , P, 1997 , DH, 1987–2004 , OF, 1996 , 1B, 1990–1995 , C, 1996–1998 , UT, 2025–Present , P, 2002–2007 , OF, 1987 , P, 2013–2014 , OF, 2020 , 3B, 2021 , P, 1996–1998 , 1B, 1998 , P, 2021, 2023 , P, 2019 , OF, 2004 , P, 2023 , C, 1988–1989 , SS, 1981–1982 , P, 2019 , P, 1977–1980 , 2B, 2000–2003 , SS, 1977 , P, 1996 , P, 1999–2000, 2003–2006 , P, 1995 , P, 1977 , P, 2013–2015 , P, 1990 , P, 1990 , SS, 1979–1980 , P, 1996 , C, 1982–1984 , P, 1999–2000 , P, 2008–2009 , 1B, 1977–1981 , 2B, 2003 , P, 2021 , OF, 1999 , P, 1996 , 2B, 1977–1980, 1984 , P, 2015–2016 , SS, 2013–2015 , P, 2023–Present , P, 2024 , P, 2020–2022 , P, 2012 , P, 2026-Present , P, 2019, 2022–2023 , P, 1996 , P, 1984–1986 , 2016–2018 , P, 2020–2022 , OF, 1994 , OF, 1992 , P, 1977–1979 , OF, 1998–1999 , P, 1977–1979 , P, 2015–2016 , P, 1987 , DH/C, 2012–2015 , P, 2020–2021 , OF/DH, 2026-Present , P, 2017–2019 , C, 2009–2011 , UT, 2019–2025 , P, 1982–1988 , P, 1977 , 1B/DH, 2013, 2014 , P, 1985–1987 , P, 2018 , 1B, 2014–2015 , P, 2007–2009 , SS/OF 2005–2008, 2013 , OF, 1982–1987, 1992 , SS, 2017–2018 , P, 1996–2006 , P, 1996 , P, 2021–Present , P, 2022–2023 , P, 1991 , C, 2019–2023 , P, 1982 , P, 2004
N
, P, 2004–2006 , C, 1984 , C, 1980–1981, 1987 , C, 2019 , SS, 2006 , 1B, 2025–Present , 1B, 2018–2019 , P, 1982–1983 , C, 1983 , P, 1992–1995, 2001–2003, 2005 , OF, 1983–1986 , OF, 1993–1995 , P, 2020–2021 , OF, 1995 , P, 2018 , P, 1989 , P, 2021 , OF, 1987 , P, 2012–2014 , C 2019–2020 , IF/OF, 2008 , C, 2021 , P, 1982–1988 , P, 2015–2016
O
, 1B, 1990–1993 , P, 2022 , P, 2006–2008 , C, 2022–2023 , OF, 2015–2016 , C, 2020 , SS, 2002 , C, 2005 , 1B, 2000–2004 , P, 1997 , C, 1998, 2000 , C, 2004–2005, 2011–2012 , P, 2015 , P, 2009–2010 , P, 2015 , P, 1993 , P, 2017 , SS, 1983–1986
P
, OF, 1978–1981 , 2B, 2021–2022 , P, 1977 , P, 2017 , P, 1998–2001 , P, 2016 , P, 1987, 1992 , P, 2007 , C, 1992 , P, 1978–1981 , OF, 1981 , C, 1977–1978 , P, 2010–2011 , P, 2013–2018, 2021 , P, 2017–2018 , OF, 2011–2013 , DH, 2011 , P, 2016 , 2B, 1984–1985 , C, 2026-Present , 1B, 2006 , P, 2012–2013 , OF, 1998 , P, 1982–1983 , 1B, 2006 , P, 2017 , DH, 1983–1988 , P, 2011 , P, 2000–2006 , 1B, 1993–1996 , P, 1993–1994 , C, 1978 , OF, 2001–2002 , 2B/3B, 2024–2025 , P, 1977–1978 , OF, 2023 , P, 2025 , P, 2017 , OF, 1991 , OF, 2017 , P, 1987–1990, 1992–1993 , P, 1993 , 3B, 1995 , 3B, 1984–1989 , P, 2012–2014 , 1B, 1983–1984 , P, 2003–2008
Q
, SS, 1986–1989 , C, 2013–2014 , C, 2006, 2009–2010
R
, 3B, 1997 , C, 1988 , OF, 1998 , C, 2021–Present , OF/1B, 2024–Present , P, 2012–2014, 2017–2018 , P, 2007 , P, 2015 , P, 2015 , P, 2020–2022 , SS, 1982–1987 , P, 1999–2000 , 3B, 1981–1982 , P, 2015 , P, 1978–1981 , P, 2011 , P, 2022–2023 , OF, 2004–2008 , P, 1986–1990 , DH/OF, 2026 , P, 2007 , SS, 2002 , 2B, 1987–1988 , 1B, 1982 , SS, 1977–1978 , 2B, 1983–1992 , P, 2000–2003, 2008 , P, 1991 , P, 2021 , P, 1994–1995 , SS, 2024–Present , C, 2004–2006 , P, 2016 , P, 1980 , OF, 1978–1980 , 1B, 1978 , OF, 2016 , OF, 2011–2012 , OF, 2024–Present , SS/2B, 2026-Present , P, 2014–2015 , SS, 1994–2000 , P, 1999–2000 , P, 2023 , OF, 2022–Present , SS, 2011 , OF, 1983 , 1B, 1997 , 3B/OF, 2023–2024 , P, 2015–2016 , OF, 2014–2016 , P, 2018 , P, 1977–1978 , P, 2022 , P, 2019 , SS, 1998 , P, 2007–2010 , P, 2026-Present , P, 2011–2013 , OF, 2015 , C, 2017 , P, 2018–2019 , SS, 2011–2013 , P, 2023 , P, 2018
S
, P, 2020–2021 , P, 2019 , P, 1993–1994 , P, 2016 , SS, 2003 , OF, 2000–2001 , P, 1997 , 1B/DH, 2022 , OF, 2019 , P, 2021 , SS, 2004–2005 , P, 2024–2025 , 2B, 2016 , P, 1980 , P, 2000–2003 , C, 1993–1994 , P, 2023–2025 , P, 2013 , OF, 2009–2014 , IF, 1990–1992 , P, 1999 , P, 1992 , P, 1988–1992 , C, 1985 , P, 2019 , P, 2016–2017 , P, 1988 , 3B, 2011–2021 P, 2010 , 1B, 1998–1999 , P, 1977 , 2B, 2017–2018 , P, 2000–2001, 2005 , IF, 1981–1982 , P, 2021–2023 , 1B, 2005–2008 , SS, 1977 , P, 2020 , IF, 1996–1997 , OF, 1993 , P, 2019–2022 , 1B, 2009 , P, 2004–2007, 2012 , P, 1987 , P, 1993 , C, 2013 , OF, 2002 , P, 2008–2009 , P, 2017 , OF, 1979–1982 , P, 2026-Present , C, 1990–1992 , P, 1999 , P, 1997–1998 , 1B, 1987–1988 , P, 2015 , P, 2021