The sister page of the NBA Best records by team page. Below is a listing of the NBA's current 29 franchises sorted by their worst season in team history and the division in which the team resided during that season. There are only a few comments, it is just too ugly.
| Atlantic Division | Record | Year | Comments |
| Philadelphia 76ers | 9-73 | 1972-73 | |
| Boston Celtics | 15-67 | 1996-97 | |
| Washington Bullets | 16-56 | 1953-54 | In Baltimore in Eastern Division |
| New Jersey Nets | 17-65 | 1989-90 | |
| Orlando Magic | 18-64 | 1989-90 | Expansion year in Orlando |
| New York Knicks | 21-59 | 1962-63 | Were in Eastern Division |
| Central Division | Record | Year | Comments |
| Cleveland Cavaliers | 15-67 | 1981-82 | Also in 1970-71 |
| Chicago Bulls | 15-67 | 2000-01 | |
| Detroit Pistons | 16-66 | 1979-80 | |
| Toronto Raptors | 16-66 | 1997-98 | |
| New Orleans Hornets | 19-63 | 1989-90 | Hornets were in Charlotte |
| Indiana Pacers | 20-62 | 1982-83 | |
| Milwaukee Bucks | 20-62 | 1993-94 | |
| Atlanta Hawks | 17-49 | 1951-52 | In Milwaukee in Western Division |
| Utah Jazz | 23-59 | 1974-75 | Expansion year in New Orleans |
| Midwest Division | Record | Year | Comments |
| Dallas Mavericks | 11-71 | 1992-93 | |
| Denver Nuggets | 12-70 | 1997-98 | |
| Houston Rockets | 14-68 | 1982-83 | |
| Memphis Grizzlies | 14-68 | 1996-97 | In Vancouver |
| Minnesota Timberwolves | 15-67 | 1991-92 | |
| Miami Heat | 15-67 | 1988-89 | Expansion season |
| San Antonio Spurs | 20-62 | 1996-97 |
| Pacific Division | Record | Year | Comments |
| Los Angeles Clippers | 12-70 | 1986-87 | |
| Phoenix Suns | 16-66 | 1968-69 | Expansion year in Western Division |
| Golden State Warriors | 17-65 | 2000-01 | |
| Portland Trail Blazers | 18-64 | 1971-72 | |
| Los Angeles Lakers | 19-53 | 1957-58 | In Minneapolis in Western Division |
| Sacramento Kings | 19-56 | 1959-60 | In Cincinnati in Western Division |
| Seattle Supersonics | 23-59 | 1967-68 | Expansion year in Western Division |