Table Tennis (Ping Pong): Table tennis uses one of the smallest balls in sports, with a diameter of 40mm (1.57 inches).
Golf: Golf balls are small, with a diameter of about 43mm (1.68 inches).
Tennis: Tennis balls are relatively small compared to many other sports, with a diameter of about 67mm (2.63 inches).
Squash: Squash balls are also quite small, with a diameter of around 40mm (1.57 inches).
Racquetball: Racquetball uses a small rubber ball with a diameter of 57mm (2.25 inches).
Pétanque: Pétanque, a French boules game, uses small metal balls known as "boules" or "petanque balls."
Bocce: Bocce balls are relatively small and come in various sizes, typically between 100mm and 115mm (3.94 to 4.53 inches) in diameter.
These are just a few examples of sports that use small balls, but the size of the ball can vary even within these sports, depending on the specific rules and regulations.
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