The following is a season-by-season list of people who have worked on Seattle Mariners local radio and television broadcasts.

Current broadcast team

• Rick Rizzs (1983–1991, 1995–present)
• Dave Sims (2007–present)
• Mike Blowers (2007–present)
• Aaron Goldsmith (2013–present)
• Alex Rivera (Spanish language, 2007–present)

Former Broadcast team

• Ken Brett (1986)
• Nellie Briles (1985)
• Jay Buhner (2002–2005, 2011–2012)
• Chip Caray (1993–1997)
• Julio Cruz (Spanish language, 2002–2021)
• Ron Fairly (1993–2006, 2011–2012)
• Bill Freehan (1979–1980)
• Greg Gumbel (1991)
• Dave Henderson (1997–2006, 2011–2012)
• Ken Levine (1992–1994, 2011–2012)
• Dave Niehaus (1977–2010)
• Tom Paciorek (2001)
• Amaury Pi-Gonzalez (Spanish language, 2003–2006)
• Don Poier (1981)
• Billy Sample (1992)
• Joe Simpson (1987–1991)
• Wes Stock (1982–1983)
• Dave Valle (1997–2006, 2011–2012)
• Dan Wilson (2011–2012)
• Ken Wilson (1977–1982, 2011–2012)

Radio broadcasts

Since 2009, and from 1985-2002 the Mariners' flagship radio station is KIRO 710 AM. Former flagship stations include KOMO 1000 AM (2003–2008) and KVI 570 AM (1977–1984).

Television broadcasts

• Root Sports Northwest (FSN formerly Northwest Cable Sports and Prime Sports Northwest; 1993–present)
• KSTW 11 (Independent formerly The CW and UPN; 1981–1985, 1989–1992, 2001–2007)
• KIRO-TV 7 (CBS formerly UPN; 1986–1988, 1990–1991, 1995–2000)
• KING-TV 5 (NBC; 1977–1980)

Radio Broadcasters by year

2020s

2000s & 2010s