Washington Wizards All-Stars
13 players
13 players were All-Stars in a season with the Washington Wizards. John Wall and Wes Unseld did it 5 times each. On a roster now: Bradley Beal.
Selections from Wikipedia's list of NBA All-Stars; a player counts for each club he played for that season. Seasons are on file in full from 1993-94; before that only some of the stars are, so an older name can be missing.