Henry Macintosh was a Scottish track and field athlete. Born in 1892 in the Scottish border town of Kelso, the son of the Rev. William Macintosh and Annie Smith Macintosh, of St. Paul's Rectory, Kinross. He developed his love of athletics while at Glenalmond College. 

His first taste of success came at school where he dominated the boys athletics challenge cup three years in a row. He went on to study at Cambridge University where he continued to develop his talent for sprinting, representing Cambridge and competing in the English Amateur Athletic Association Championships.

He was selected for the 1912 Stockholm Olympics where he competed in the 100 and 200 metre sprints, and the 4x100 metre relay, wining gold in the relay. He returned to Cambridge to finish his bachelor’s degree and in 1913 was made president of the Cambridge Athletics Club. He ran several personal bests at this time, clocking 9.8 seconds in the 100 metres sprint. The current men’s 100 metre world record in 9.5 seconds, held by Usain Bolt.

He ran his last race in 1914 and left for South Africa to take up a position as an Assistant District Commissioner. Only a few months later he returned to Scotland following the outbreak of the First World War and volunteered for the British Army. He served throughout the war and was killed in action on 26 July 1918 during the Second Battle of the Somme. He was 26 years old.

He is buried in plot I. C. 21 at Senlis French National Cemetey, Oise, France.