1979–80 Seattle SuperSonics season
The 1979–80 NBA season was the SuperSonics' 13th season in the NBA. The SuperSonics entered the season as the defending NBA champions, having defeated the Washington Bullets in five games in the 1979 NBA Finals, winning their first and only NBA championship.
In the playoffs, the SuperSonics defeated the Portland Trail Blazers in three games in the First Round, then defeated the Milwaukee Bucks in seven games in the Semifinals, before losing to the eventual NBA champion Los Angeles Lakers in five games in the Conference Finals.Draft picks
| Round | Pick | Player | Position | Nationality | College |
| 1 | 6 | James Bailey | PF/C | | Rutgers |
| 1 | 7 | Vinnie Johnson | SG | | Baylor |
| 2 | 43 | Johnny Moore | PG | | Texas |
| 4 | 73 | James Donaldson | C | | Washington State |
Roster
Regular season
Season standings
Record vs. opponents
Game log
Playoffs
West First Round
Seattle SuperSonics vs. Portland Trail Blazers:
Sonics win series 2-1
- Game 1 @ Seattle: Seattle 120, Portland 110
- Game 2 @ Portland: Portland 105, Seattle 95
- Game 3 @ Seattle: Seattle 103, Portland 86
West Conference Semifinals
Milwaukee Bucks vs. Seattle SuperSonics:
Sonics win series 4-3
- Game 1 @ Seattle: Seattle 114, Milwaukee 113
- Game 2 @ Seattle: Milwaukee 114, Seattle 112
- Game 3 @ Milwaukee: Milwaukee 95, Seattle 91
- Game 4 @ Milwaukee: Seattle 112, Milwaukee 107
- Game 5 @ Seattle: Milwaukee 108, Seattle 97
- Game 6 @ Milwaukee: Seattle 86, Milwaukee 85
- Game 7 @ Seattle: Seattle 98, Milwaukee 94
West Conference Finals
Los Angeles Lakers vs. Seattle SuperSonics:
Lakers win series 4-1
- Game 1 @ Los Angeles: Seattle 108, Los Angeles 107
- Game 2 @ Los Angeles: Los Angeles 108, Seattle 99
- Game 3 @ Seattle: Los Angeles 104, Seattle 100
- Game 4 @ Seattle: Los Angeles 98, Seattle 93
- Game 5 @ Los Angeles: Los Angeles 111, Seattle 105
Player statistics
Season
Playoffs
October 19, 1979
October 11, 1979
