Benjamin Proud (born 21 September 1994) is a British competitive swimmer, representing Great Britain at the Olympic Games, the FINA World Aquatics Championships and LEN European Aquatics Championships, and England at the Commonwealth Games. Proud specialises in sprint freestyle and butterfly races. He is the 2017 world champion in the 50 metre butterfly.
Proud holds two British national records, as well as being a Commonwealth Games champion in the 50 m butterfly (2014) and 50 m freestyle (2014 and 2018) events. He was the fastest 18-year-old in the world who competes in the 50 m butterfly and represented Great Britain in the 50 m freestyle at the 2016 Summer Olympics in Rio and both the 50 m freestyle and the 50 m butterfly at the 2017 World Aquatics Championships.
Proud was born in London on 21 September 1994 to Nic and Sally Proud. The family moved to Malaysia when he was five months old, and he grew up in Damansara, Kuala Lumpur. He has a brother, Oliver. He attended the Alice Smith School from kindergarten until year 12 of the school. At Alice Smith, he competed for the school and was trained by Francis Kiu, a professional Malaysian swimmer. He swam for the school swimming team, KLASS Torpedoes, representing them at many international swim meets. He swam at the Malaysian Open, winning the 50 m butterfly and placing second in the 50 m freestyle. His many swim meets across Southeast Asia included the Flying Fish meet in Phuket, Thailand.