David Hugh Segal (born 20 March 1937) was a British athlete who competed in the sprints. He had best times of 9.5 seconds for the 100 yards and 21.0 seconds for the 220 yards. While competing in the United States he ran 20.4 seconds for the straight 220 yards.
Segal was also an excellent 200 meter sprinter. He was a European 200m silver medallist in 1958 and was British AAA 220 yard champion and record holder in 1958 and '59. In Rome he was in the 200m semi final but was disqualified for two false starts. While not a favorite he had been ranked as high as 8th in the world in the 200m by Track and Field News.
Before Rome he competed in the 1956 Summer Olympics in Melbourne, Australia, in the 4x100m relay which placed 5th in the final. At one time he held the English Native Record for the 220 yards and the 300 yards running the longer distance in 30 seconds flat.On rare occasions he ran the 400 meters with a fastest time of 48.2 seconds. Following the 1960 Olympics Segal left the UK for Furman University in Greenville, South Carolina where he continued his track career and has lived in the United States since then. In 2008 Segal was inducted into the Athletic Hall of Fame at his alma mata Furman University where as a competitor in the Southern Conference Championships he won nine individual titles and five relay championships.