Charles Alexander Douglas-Home, 12th Earl of Home, KT, TD (11 April 1834 – 30 April 1918), styled Lord Dunglass between 1841 and 1881, was a British politician and nobleman.

Lucy Elizabeth Montagu-Scott, daughter of Henry, 2nd Baron Montagu of Boughton, and his wife, Hon.

[3] In 1877, his name was legally changed to Charles Alexander Douglas-Home by Royal Licence.

He gained the rank of Honorary Colonel in the service of the 3rd and 4th Battalions, Scottish Rifles and Lanarkshire Yeomanry.

They had five children:[4] During the 1880s, Lord Home along with his cousin the 6th Duke of Buccleuch and the 3rd Earl of Malmesbury collaborated to develop and establish the modern breed of Labrador Retriever, by interbreeding lines originally imported by their respective families from Newfoundland in the 1830s.