9th Marquis of Lothian (1887 - 1892)

Schomberg Henry Kerr, 9th Marquis of Lothian KT PC (2 December 1833–17 January 1900) was a British diplomat and politician.

Educated at New College, Oxford, he was attaché at Lisbon and Tehran in 1854, Baghdad in 1855 and Athens from 1857, then second secretary at Frankfurt from 1862 and Madrid from 1865 and Vienna from 1865.

He succeeded as Marquess of Lothian and fourth Baron Ker of Kersheugh in 1870. He was Keeper of the Privy Seal of Scotland from 1874 to 1900. He was appointed a Privy Councillor in 1886 and was Secretary for Scotland in Lord Salisbury's administration from 1887 to 1892. He was made a Knight of the Thistle in 1878.