The 1986–87 Seattle SuperSonics season was the 20th season of the Seattle SuperSonics in the National Basketball Association. Bernie Bickerstaff returned for his second season as head coach of the franchise and, despite little improvement over their previous season's 31–51 record, managed to clinch a spot in the playoffs and reach the Western Conference Finals, losing in four games to the Los Angeles Lakers.
(2) Dallas Mavericks vs. (7) Seattle SuperSonics: SuperSonics win series 3-1
Game 1 @ Reunion Arena, Dallas (April 23): Dallas 151, Seattle 129Game 2 @ Reunion Arena, Dallas (April 25): Seattle 112, Dallas 110Game 3 @ Alaska Airlines Arena at Hec Edmundson Pavilion, Seattle (April 28): Seattle 117, Dallas 107Game 4 @ Alaska Airlines Arena at Hec Edmundson Pavilion, Seattle (April 30): Seattle 124, Dallas 98Last Playoff Meeting: 1984 Western Conference First Round (Dallas won 3-2)
(6) Houston Rockets vs. (7) Seattle SuperSonics: SuperSonics win series 4-2
Game 1 @ The Summit, Houston (May 2): Seattle 111, Houston 106Game 2 @ The Summit, Houston (May 5): Seattle 99, Houston 97Game 3 @ Seattle Center Coliseum, Seattle (May 7): Houston 102, Seattle 84Game 4 @ Seattle Center Coliseum, Seattle (May 9): Seattle 117, Houston 102Game 5 @ The Summit, Houston (May 12): Houston 112, Seattle 107Game 6 @ Seattle Center Coliseum, Seattle (May 14): Seattle 128, Houston 125Last Playoff Meeting: 1982 Western Conference First Round (Seattle won 2-1)
(1) Los Angeles Lakers vs. (7) Seattle SuperSonics: Lakers win series 4-0
Game 1 @ The Forum, Los Angeles (May 16): Los Angeles 92, Seattle 87Game 2 @ The Forum, Los Angeles (May 19): Los Angeles 112, Seattle 104Game 3 @ Seattle Center Coliseum, Seattle (May 23): Los Angeles 122, Seattle 121Game 4 @ Seattle Center Coliseum, Seattle (May 25): Los Angeles 133, Seattle 102Last Playoff Meeting: 1980 Western Conference Finals (Los Angeles won 4-1)
1.
^ Statistics with the SuperSonics.
Dale Ellis won the Most Improved Player Award at the end of the season.Tom Chambers participated in the 1987 NBA All-Star Game and won the game's Most Valuable Player Award. He also was named Player of the Week between December 1 and December 7.