David MacCalman is a Paralympian athlete from New Zealand competing mainly in category P53 pentathlon events. He lost the use of his legs after sustaining a spinal cord injury while diving into a river.
He competed in the 1992 Summer Paralympics in Barcelona, Spain. There he finished fourth in the men's Shot putt - THW2 event, finished fifth in the men's Javelin throw - THW2 event, finished twelve in the men's Discus throw - THW2-3 event, finished seventh in the men's 200 metres - TW2 event and went out in the first round of the men's 800 metres - TW2 event. He also competed at the 1996 Summer Paralympics in Atlanta, United States. There he won a silver medal in the men's Javelin throw - F51 event and finished sixth in the men's Shot putt - F51 event. He also competed at the 2000 Summer Paralympics in Sydney, Australia. There he won a gold medal in the men's Pentathlon - P53 event, a gold medal in the men's Javelin throw - F52 event and finished fourth in the men's Shot putt - F52 event. He also competed at the 2004 Summer Paralympics in Atlanta, United States. There he finished twelve in the men's Javelin throw - F52-53 event and finished ninth in the men's Shot putt - F52 event.
In 2011, MacCalman was the first person in New Zealand to buy the REX Bionics exoskeleton orthosis to enable him to walk.