Sir Fitzroy Donald Maclean, 10th Baronet of Morvern, KCB, DL (18 May 1835 – 22 November 1936) was the 26th Clan Chief of Clan Maclean from 1883 to 1936, for fifty-three years. He lived to be 101 years old.
He bought and restored Duart Castle in 1911 as the seat of the Maclean clan.
He was born on 18 May 1835 to Sir Charles Fitzroy Maclean, 9th Baronet the 25th Chief of Clan Maclean, his only son.
He started his military career as a Cornet in the 7th Dragoon Guards. On 12 October 1852 was promoted to Lieutenant of the 13th Light Dragoons. In 1854 he was promoted to Captain, in 1856 to Major and in 1861 to Lieutenant-Colonel. By 1871 he was commanding the 13th Hussars. He was promoted to Colonel and commanded the Queen's Own West Kent Yeomanry Cavalry in 1880. In 1854–1855, he served in Bulgaria and the Crimea, and was with his regiment at the landing at Eupatoria. He was in the Battle of the Alma on 20 September 1854. He participated in the Charge of the Light Brigade on 25 October 1854. He was also at the Siege of Sevastopol.
Sir Fitzroy married Constance Marianne Ackers (c. 1840–1920) on 17 January 1872. She was the younger daughter of George Holland Ackers, (RYS 1837-1871), the High Sheriff of Cheshire. They had four sons and a daughter.
He became the 10th Baronet of Morvern and 26th Clan Chief in 1883 on the death of his father, Sir Charles Fitzroy Maclean, 9th Baronet, who was the 25th Chief of Clan Maclean.
He was invested as a Civil Companion of the Order of the Bath (C.B.) on 22 June 1897.
On 24 June 1904, he was again invested, this time as a Knight Commander, in the Civil Division of Order of the Bath (K.C.B.), and in December 1910, was appointed a Deputy Lieutenant of Kent.
He bought Duart Castle in September 1911 and restored it. On his 100th birthday he planted a rowan tree in the castle grounds to ward off evil spirits. He lived to be 101 years old. On his death on 22 November 1936 his title went to his grandson, Sir Charles Hector Fitzroy Maclean, 11th Baronet who became the 27th Clan Chief.
He was Grand President of the Clan Gillean Association, honorary president of the Mull and Iona Association, vice-president and formerly president of the Highland Society of London. He was appointed a deputy lieutenant for Argyllshire in 1932.