Houston Rockets All-Stars
14 players
14 players were All-Stars in a season with the Houston Rockets. Hakeem Olajuwon did it the most, 12 times (1985–1990, 1992–1997). On a roster now: James Harden, Alperen Sengun, and Kevin Durant.
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.