Major Henry Gorell Barnes, 2nd Baron Gorell DSO (21 January 1882 – 16 January 1917) was a British Army officer. He was born in 1882, the eldest son of John Barnes, 1st Baron Gorell. After an education at Winchester, Trinity College, Oxford, and Harvard, he was called to the Bar by the Inner Temple in 1906. He worked as a secretary to his father when he was on the Bench, and later as secretary of the Royal Commission on Divorce. He succeeded his father to the peerage in 1913.
During the First World War, he joined the Royal Field Artillery; he was killed in action on 16 January 1917, after one year and ten month's continuous service abroad. He is buried at Lijssenthoek Military Cemetery near Poperinge, West Flanders, Belgium.
The 2nd Baron Gorell was succeeded in the peerage by his younger brother, Ronald.