Brigadier-General Henry Frederick Hugh Clifford, DSO (13 August 1867 – 11 September 1916) was a British Army officer.

He was killed in action during the Battle of the Somme while inspecting trenches.

His elder brother was the colonial administrator Sir Hugh Clifford.

He entered the British Army in 1888, was promoted to captain in October 1897,[1] and served in the Second Boer War.

Awarded a Distinguished Service Order in February 1915,[2] Clifford was wounded by a sniper the same year.