Suma Shirur is a former Indian shooter who competed in the 10 metre air rifle event. She is a joint world record holder in the event, having scored the maximum of 400 points in the qualification round, which she achieved at the 2004 Asian Shooting Championships in Kuala Lumpur. In 2003, she was awarded the Arjuna Award by the government of India. Suma Betaraya Dixit was born on May 10, 1974, in Chikkaballapur, in the Karnataka state of India. She completed her education in Mumbai, doing schooling in St. Xavier's school, and college education in South Indian Education Society graduating in Chemistry. During her graduation course, she was a part of the National Cadet Corps. This was when she discovered her interest in shooting and then on took to the sport. In 1993, as a part of the Maharashtra Rifle Association, Shirur won three silver medals at the Maharashtra State Championship. Following her win at the Junior National Championships in 1994 in Chennai, she became the junior national champion. She then represented her home state of Karnataka at the 1997 National Games in Bangalore, where she won the gold medal in the 10 metre air rifle event.

Shirur made her name at the international stage winning medals at the 2002 Asian Games in Busan and the 2002 Commonwealth Games in Manchester, where she won medals in the individual and team events of 10 metre air rifle. At the 2004 Summer Olympics in Athens, Shirur stood eighth in the final, having scored a total of 497.2 points in the event. In the same year, at the Asian Athletics Championships in Kuala Lumpur, she created a joint world record in the qualification round, when she scored the maximum of 400 points. She went on to win the gold medal in the event, scoring an total of 502.3 points in the final. At the 2005 Championships in Bangkok, she won the bronze medal.