Devon Myles William Brown (born 21 May 1992) is a South African swimmer.[2]

He competed at the 2014 FINA World Swimming Championships (25 m), at the 2015 World Aquatics Championships,[2] and at the 2016 Summer Olympics in Rio de Janeiro. At the 2016 Summer Olympics, he competed in the 200 m freestyle and 400 m freestyle events. In the 200 m freestyle event, he finished 13th in the heats with a time of 1:46.78 and qualified for the semifinals where he finished 12th with a time of 1:46.57 and did not advance to the final.[4] In the 400 m freestyle event, he finished 12th in the heats with a time of 3:45.92 and did not qualify for the final.[6] He was also part of South Africa's 4 × 200 m freestyle relay team which finished 10th in the heats and did not qualify for the final.[8] Brown was part of the 4 × 100 m medley relay team that finished 13th in the heats and did not qualify for the final.[10]