Captain George Sitwell Campbell Swinton, DL (10 May 1859 – 17 January 1937) was a long serving Scottish politician and officer of arms.
Swinton was born in Edinburgh, the second son of Archibald Campbell Swinton of Kimmerghame, Berwickshire, and Georgiana Caroline Sitwell, daughter of Sir George Sitwell, 2nd Baronet of Renishaw. In 1895 he married Elizabeth Ebsworth OBE, daughter of E.H. Ebsworth of Gattonside. The couple had one son and two daughters. Elizabeth was an accomplished singer and performed professionally later in life.
He studied art under Professor Herkomer and other masters.
Swinton was gazetted to the 71st Highland Light Infantry in May 1878, promoted to lieutenant on 23 January 1881, to captain on 11 September 1888, and retired in 1893. He was an extra Aide-de-Camp to the Marquess of Lansdowne when he was Viceroy of India from 1888 to 1894. In January 1900 he was appointed temporary Staff Captain at Army Headquarters.
Swinton was also the unsuccessful Conservative candidate for Paisley in 1900. He was a Member of London County Council representing Holborn from 1901 to 1907 and Dulwich from 1922 to 1928. He was Chairman of the Parks and Open Spaces Committee in 1904–1905, and Chief Whip of the Municipal Reform Party (the Conservative group on the Council) from 1903 to 1912. He was an Alderman from 1907 to 1912, and 1920 to 1922. He became Chairman of the London County Council in 1912, but resigned on accepting the post of Chairman of the Town-planning Committee of the new Imperial City of Delhi. He was attached by the Colonial Office to the Representatives of the Overseas Dominions attending the Imperial Conferences in 1917 and 1918; foreshadowed, in August 1917, the Scottish National War Memorial in Edinburgh Castle; Honorary Secretary of the Scottish National War Memorial Committee, 1918.