According to the official Shaquille O'Neal website, Shaquille O'Neal wears a U.S. size 23 shoe, which would fit feet almost 15 inches long. O'Neal is 7 feet, 1 inch tall and weighs 325 pounds.
Shaquille O'Neal, also known as Shaq, played for 19 years in the NBA before his retirement in 2011. He won four NBA titles including three with the Los Angeles Lakers. He played college basketball at Louisiana State University. Shaquille's feet, though quite large, pale in comparison to the largest feet ever recorded, which belong to the tallest man in history, Robert Wadlow. Wadlow's shoes were size 37.