John Grayson (1966–2002) was a trapeze artist and member of The Flying Graysons, alongside his wife Mary Grayson and son Dick Grayson.
John was born in 1966. He and Mary had a son, Dick. When he grew older, they all performed as part of The Flying Graysons, a circus act. In 2002, while performing, the rope snapped, killing both John and Mary.