| Movie | 1973 | The World's Greatest Athlete | Himself - Announcer | |
| Movie | 2021 | Ron Lyle | Self (archive footage) | |
| Movie | 1989 | Monday Night Madness | Self | |
| Movie | 1972 | Fol-de-Rol | The Storyteller | |
| Movie | 1976 | Wide World of Sports 15th Anniversary Special | Host | |
| Movie | 1979 | Wide World of Sports: 1970's A Decade in Review | Host | |
| Movie | 1973 | Bobby Riggs vs. Billie Jean King: Tennis Battle of the Sexes | Commentator | |
| Movie | 1986 | Casey at the Bat | Ernie / Narrator | |
| Movie | 2009 | Muhammad and Larry | Himself (archive footage) | |
| Movie | 2011 | The Real Rocky | Self (archive footage) | |
| Movie | 1974 | Frank Sinatra: The Main Event | Self - Host | |
| Movie | 1990 | Night of 100 Stars III | Self | |
| Movie | 1982 | Larry Holmes vs. Randall 'Tex' Cobb | | |
| Movie | 1981 | Larry Holmes vs. Leon Spinks | Self | |
| Movie | 1981 | Larry Holmes vs. Renaldo Snipes | | |
| Movie | 1980 | Fighting Back: The Story of Rocky Bleier | Howard Cosell | |
| Movie | 1996 | When We Were Kings | Self | |
| Movie | 1971 | Bananas | Himself | |
| Movie | 1971 | Fight of the Century | Self-(Audience Member) | |
| Movie | 1989 | The Billy Martin Celebrity Roast | Self | |
| Movie | 1974 | O.J. Simpson: Juice on the Loose | Self | |
| Movie | 1973 | The Connection | Himself | |
| Movie | 1998 | The Best of the Dean Martin Celebrity Roasts | Self - Roastee (archive footage) | |
| Movie | 1988 | Johnny Be Good | Himself | |
| Movie | 1976 | Two-Minute Warning | Howard Cosell | |
| Movie | 1982 | Night of 100 Stars | Self | |
| Movie | 2022 | McEnroe | Self (voice) (archive footage) (uncredited) | |
| Movie | 1973 | The 500 Pound Jerk | Howard Cosell | |
| Movie | 1994 | Monday Night Football: 25th Anniversary | Self | |
| Movie | 1999 | Howard Cosell: Telling It Like It Is | | |
| TV Show | 1971 | The Sonny & Cher Comedy Hour | | 1 |
| TV Show | 1970 | The Odd Couple | Howard Cosell | 2 |
| TV Show | 1976 | Battle of the Network Stars | | 19 |
| TV Show | 1968 | Rowan & Martin's Laugh-In | Self | 1 |
| TV Show | 1965 | The Dean Martin Show | | 3 |
| TV Show | 1970 | The Flip Wilson Show | Self | 1 |
| TV Show | 1975 | Saturday Night Live | Self - Host | 1 |
| TV Show | 1973 | The Dean Martin Celebrity Roasts | Self | 3 |
| TV Show | 1975 | Saturday Night Live with Howard Cosell | | 4 |
| TV Show | 1992 | Vicki! | Self | 1 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 3 |
| TV Show | 1961 | The Mike Douglas Show | Self | 1 |
| TV Show | 1985 | Tall Tales & Legends | Ernie | 1 |
| TV Show | 2019 | What's My Name | Muhammad Ali | Self (archive footage) | 2 |
| TV Show | 1968 | The Dick Cavett Show | Self - Guest | 3 |
| TV Show | 1970 | Monday Night Football | Self - Host | 254 |
| TV Show | 1970 | Monday Night Football | | 13 |
| TV Show | 1970 | The Partridge Family | Howard Cosell | 1 |
