Philadelphia 76ers All-Stars
17 players
17 players were All-Stars in a season with the Philadelphia 76ers. Dolph Schayes did it the most, 12 times (1951–1962). On a roster now: Joel Embiid, Ben Simmons, Tyrese Maxey, James Harden, and Jrue Holiday.
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.