Brigadier Sir Henry Robert Kincaid Floyd, 5th Baronet (7 May 1899 – 5 November 1968) was a British soldier.
Floyd was educated at Eton College and at the Royal Military College, Sandhurst. He was an officer in the 15th/19th Hussars and, having been promoted to brigadier, he served as Chief-of-Staff of the Eighth Army from 1944 to 1945. Between 1961 and 1968 he served as Lord-Lieutenant of Buckinghamshire. A fervent supporter of horseriding and fox hunting he was killed in a riding accident at the age of 69.
The Sir Henry Floyd Grammar School in Aylesbury is named after him, as is part of the postgraduate medical centre at Stoke Mandeville Hospital.