| Movie | 2018 | Ted Williams: "The Greatest Hitter Who Ever Lived" | Self | |
| Movie | 2020 | Long Gone Summer | Himself | |
| Movie | 2017 | Springfield of Dreams: The Legend of Homer Simpson | Self | |
| Movie | 1998 | Express: Aisle to Glory | Self | |
| Movie | 1998 | BASEketball | Bob Costas | |
| Movie | 2003 | Forever Loyal: A Salute to the Cubs Fans and Their Field | The Narrator | |
| Movie | 2023 | It Ain't Over | Self | |
| Movie | 2010 | A Hall for Heroes: The Inaugural Hall of Fame Induction of 1939 | | |
| Movie | 1992 | Mr. Baseball | Himself (voice) (uncredited) | |
| Movie | 2011 | Chicago Cubs: The Heart and Soul of Chicago | Self | |
| Movie | 2006 | Home Base: The National Baseball Hall of Fame and Museum | | |
| Movie | 2011 | Catching Hell | Self | |
| Movie | 2015 | Iron: The Legacy of Cal Ripken Jr | | |
| Movie | 2005 | Mantle | Self | |
| Movie | 2013 | The Doctor | Self (archive footage) | |
| Movie | 2021 | Imagining the Indian: The Fight Against Native American Mascoting | Self - Interviewee | |
| Movie | 2013 | The United States of Football | | |
| Movie | 2013 | Glickman | Himself | |
| Movie | 2006 | WWE: Hulk Hogan: The Ultimate Anthology | Bob Costas | |
| Movie | 2021 | Behind the Mask - Stories of the COVID-19 pandemic | Self | |
| Movie | 1994 | The Scout | Bob Costas | |
| Movie | N/A | The Best We've Got: The Carl Erskine Story | Self | |
| Movie | 2010 | Baseball: The Tenth Inning | Self | |
| Movie | 2001 | Pootie Tang | Bob Costas | |
| Movie | 2020 | The Sandberg Game | | |
| Movie | 2022 | Say Hey, Willie Mays! | Self | |
| Movie | 2006 | Cars | Bob Cutlass (voice) | |
| Movie | 1997 | Long Shots: The Life and Times of the American Basketball Association | | |
| Movie | 2024 | Clemente | Self | |
| Movie | 2020 | Birds of a Different Game: The '80s Cardinals | | |
| Movie | 2000 | Michael Jordan to the Max | Self | |
| Movie | 2013 | 365 Days: A Year in Happy Valley | Himself - Journalist | |
| Movie | 2002 | The 2002 Olympic Winter Games - Olympic Highlights | Narrator | |
| Movie | 2007 | Paul Simon and Friends | The Library of Congress Gershwin Prize for Popular Song | Self | |
| Movie | 2008 | 2008 Olympics: Michael Phelps: Inside Story of the Beijing Games | Himself | |
| Movie | 2017 | This Was the XFL | Himself | |
| Movie | 2017 | Cars 3 | Bob Cutlass (voice) | |
| Movie | 2000 | Major League Baseball: All Century Team | Narrator | |
| Movie | 2013 | Schooled: The Price of College Sports | Himself | |
| Movie | 2020 | AGFA Mystery Mixtape #2: Later in L.A. | Self | |
| Movie | 2013 | Free Spirits | Self | |
| Movie | 1998 | Race for the Record | Self | |
| Movie | 2015 | The Curious Case of the Chicago Cubs | | |
| Movie | 2020 | Game 6: The Movie | Self | |
| Movie | 2006 | Wait 'Til Next Year: The Saga of the Chicago Cubs | | |
| Movie | 2021 | Here Today | Bob Costas | |
| Movie | 2011 | On the Shoulders of Giants | | |
| Movie | 2011 | Moneyball | Sports Announcer (voice) | |
| Movie | 2021 | Rulon Gardner Won't Die | | |
| Movie | 1995 | Open Season | Bob Costas | |
| Movie | 2024 | The Waiting Game | | |
| Movie | 2018 | Generations of the Game | | |
| Movie | 2001 | Tony Gwynn - Mr. Padre | | |
| Movie | 2015 | Randy Johnson: The Big Picture | | |
| Movie | 2014 | Mr. Baseball, Bob Uecker | Self | |
| Movie | 2023 | Brick by Brick: The Story of Wrigley Field | | |
| Movie | 2013 | The World Series: History of the Fall Classic | Self | |
| Movie | 1987 | New York Yankees: The Movie | Self | |
| Movie | N/A | Hawk: The Colorful Life of Ken Harrelson | Narrator | |
| Movie | 2000 | When It Was a Game 3 | Self (voice) | |
| Movie | 2025 | The AGFA Mystery Mixtape Vault | Self | |
| Movie | 2007 | Dare To Dream: The Story of the U.S. Women's Soccer Team | Self (archive footage) | |
| Movie | 2013 | Undefeated: The Roger Brown Story | Himself | |
| Movie | 2025 | Going, Going, Gone: The Magic of the Home Run | | |
| Movie | 2018 | US Open Epics: Tiger and Rocco | Self | |
| TV Show | 1996 | Arliss | Bob Costas | 4 |
| TV Show | 1989 | The Simpsons | Bob Costas (voice) | 1 |
| TV Show | 2004 | The Tony Danza Show | Self | 2 |
| TV Show | 1999 | Family Guy | Bob Costas (voice) | 3 |
| TV Show | 1996 | The Daily Show | Self | 1 |
| TV Show | 1994 | The Critic | Bob Costas (voice) | 1 |
| TV Show | 1996 | Spin City | Bob Costas (voice) | 1 |
| TV Show | 1992 | The Tonight Show with Jay Leno | | 3 |
| TV Show | 1993 | Frasier | Jake (voice) | 1 |
| TV Show | 2006 | Football Night in America | | 78 |
| TV Show | 2005 | The Colbert Report | Self | 1 |
| TV Show | 1993 | Raw | | 1 |
| TV Show | 1993 | Late Night with Conan O'Brien | Self - Guest | 7 |
| TV Show | 2021 | Back on the Record with Bob Costas | Self - Host | 8 |
| TV Show | 2001 | On the Record with Bob Costas | Self - Host | 48 |
| TV Show | 2021 | The Story of Late Night | Self | 6 |
| TV Show | 2000 | Baby Blues | | 1 |
| TV Show | 2018 | Shut Up and Dribble | Self - Sportscaster | 3 |
| TV Show | 2015 | The Late Show with Stephen Colbert | Self | 1 |
| TV Show | 1988 | Later with Bob Costas | | 44 |
| TV Show | 2017 | Brockmire | Bob Costas | 2 |
| TV Show | 2012 | MLB's 20 Greatest Games | | 20 |
| TV Show | 2014 | Late Night with Seth Meyers | Self | 1 |
| TV Show | 2012 | Go On | Self | 1 |
| TV Show | 2002 | Monk | Bob Costas | 1 |
| TV Show | 2009 | MLB: Baseball's Seasons | Himself (archive footage) | 1 |
| TV Show | 1984 | MTV Video Music Awards | Self - Preshow Host | 1 |
| TV Show | 2020 | The Sounds of Baseball | Self - Host | 12 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 1 |
| TV Show | 1994 | Space Ghost Coast to Coast | | 1 |
| TV Show | 1994 | Baseball | Self | 5 |
| TV Show | 1992 | The Larry Sanders Show | Bob Costas | 1 |
| TV Show | 1995 | The Drew Carey Show | Himself | 1 |
| TV Show | 2014 | The Men in Blazers Show | Self | 1 |
| TV Show | 1995 | NewsRadio | Bob Costas | 1 |
| TV Show | 2020 | The Last Dance | Himself | 0 |
| TV Show | 2018 | Firing Line with Margaret Hoover | | 1 |
| TV Show | 2003 | Real Time with Bill Maher | Self | 8 |
| TV Show | 2022 | Joe Montana: Cool Under Pressure | Self (archive footage) | 1 |
| TV Show | 2005 | Costas Now | Self - Host | 16 |
| TV Show | 2020 | The Last Dance | Self - WGN-Chicago 1979-80 | 1 |
| TV Show | 2014 | Last Week Tonight with John Oliver | Self (voice) | 1 |
| TV Show | 2014 | The Tonight Show Starring Jimmy Fallon | Self | 1 |
| TV Show | 2010 | Conan | Self | 1 |
| TV Show | 2024 | Mr. McMahon | Self | 6 |
| TV Show | 2009 | Studio 42 with Bob Costas | Self - Host | 38 |
| TV Show | 2010 | Baseball: The Tenth Inning | Self | 2 |
| TV Show | 2015 | MLB Network Presents | Self | 7 |
