The smallest regulation sport ball is the ping pong ball (40 mm diameter). Since the change from a 38 mm competition ball, there are squash balls that are smaller, but these can vary from 39.5 to 40.5 mm in diameter.
The Golf ball is slightly larger at 42.67 mm (increased in 1960 from 41.15 mm).
Ping-pong has the smallest ball.
The regulation sport that uses the largest ball is basketball.
The sport of bowling.
ice hockey
volleyball
Ping-pong has the smallest ball.
The regulation sport that uses the largest ball is basketball.
You can use the ball as defense in the sport of dodgeball.
jai alai (sport)
The sport of bowling.
Beach
The sport of bowling.
Billiards uses a cue ball.
There is a "double-yellow dot" ball currently used in the sport of squash.
ice hockey
volleyball
Shot put.