| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Boston Bears | Boston, Massachusetts | American Football League | professional | defunct |
| Boston Bulldogs | Boston, Massachusetts | American Football League | professional | defunct |
| Boston Patriots | Boston, Massachusetts | American Football League | professional | defunct |
| Boston Shamrocks | Boston, Massachusetts | American Football League | professional | defunct |
| Brooklyn Horsemen | Brooklyn, New York | American Football League | professional | defunct |
| Brooklyn Tigers | Brooklyn, New York | American Football League | professional | defunct |
| Buffalo Bills | Buffalo, New York | American Football League | professional | defunct |
| Buffalo Indians | Buffalo, New York | American Football League | professional | defunct |
| Buffalo Tigers | Buffalo, New York | American Football League | professional | defunct |
| Chicago Bulls | Chicago, Illinois | American Football League | professional | defunct |
| Cincinnati Bengals | Cincinnati, Ohio | American Football League | professional | defunct |
| Cincinnati Bengals | Cincinnati, Ohio | American Football League | professional | defunct |
| Cleveland Panthers | Cleveland, Ohio | American Football League | professional | defunct |
| Cleveland Rams | Cleveland, Ohio | American Football League | professional | defunct |
| Columbus Bullies | Columbus, Ohio | American Football League | professional | defunct |
| Dallas Texans | Dallas, Texas | American Football League | professional | defunct |
| Denver Broncos | Denver, Colorado | American Football League | professional | defunct |
| Detroit | Detroit, Michigan | American Football League | professional | defunct |
| Hollywood Rangers | Los Angeles, California | American Football League | professional | defunct |
| Houston Oilers | Houston, Texas | American Football League | professional | defunct |
| Kansas City Chiefs | Kansas City, Missouri | American Football League | professional | defunct |
| Los Angeles Bulldogs | Los Angeles, California | American Football League | professional | defunct |
| Los Angeles Chargers | Los Angeles, California | American Football League | professional | active |
| Los Angeles Wildcats | Los Angeles, California | American Football League | professional | defunct |
| Los Angeles Wildcats | Los Angeles, California | American Football League | professional | defunct |
| Miami Dolphins | Miami, Florida | American Football League | professional | defunct |
| Milwaukee Chiefs | Milwaukee, Wisconsin | American Football League | professional | defunct |
| Minneapolis | Minneapolis, Minnesota | American Football League | professional | defunct |
| New York Americans | New York, New York | American Football League | professional | defunct |
| New York Jets | New York, New York | American Football League | professional | defunct |
| New York Titans | New York, New York | American Football League | professional | defunct |
| New York Yankees | New York, New York | American Football League | professional | defunct |
| New York Yankees | New York, New York | American Football League | professional | defunct |
| Newark Bears | Newark, New Jersey | American Football League | professional | defunct |
| Newark Demons | Newark, New Jersey | American Football League | professional | defunct |
| Oakland Hornets | Oakland, California | American Football League | professional | defunct |
| Oakland Raiders | Oakland, California | American Football League | professional | defunct |
| Philadelphia Quakers | Philadelphia, Pennsylvania | American Football League | professional | defunct |
| Pittsburgh Americans | Pittsburgh, Pennsylvania | American Football League | professional | defunct |
| Portland Rockets | Portland, Oregon | American Football League | professional | defunct |
| Rochester Braves | Rochester, New York | American Football League | professional | defunct |
| Rochester Tigers | Rochester, New York | American Football League | professional | defunct |
| San Diego Chargers | San Diego, California | American Football League | professional | defunct |
| San Diego Gunners | San Diego, California | American Football League | professional | defunct |
| San Francisco Clippers | San Francisco, California | American Football League | professional | defunct |
| Seattle Bombers | Seattle, Washington | American Football League | professional | defunct |
| Syracuse Braves | Syracuse, New York | American Football League | professional | defunct |