Sir George Smith Clark, 1st Baronet, DL (8 November 1861 – 23 March 1935) was a businessman and politician in Northern Ireland. George S. Clark was born in Paisley, Scotland the second son of thread manufacturer James Clark, and Jane Smith; both his parents were Scottish Presbyterians.

Clark was educated at Merchiston Castle School, Edinburgh. He was apprenticed to Harland and Wolff in Belfast and, in 1877, opened his own shipyard on the river Lagan with Frank Workman. Clark's mother's brother, George Smith, was able to provide capital for this initial venture. In 1891 the firm became Workman, Clark and Company. During the First World War the shipyard concentrated on Admiralty work and it was for this that, in 1917, Clark received the Baronetcy of Dunlambert.^[1]

In a 1907 by-election he became Member of Parliament for North Belfast, retiring in 1910 to devote more attention to his business affairs. In 1913 the Workman Clark shipyard had assisted the UVF with the Larne gun running campaign encouraged by Sir Edward Carson. In 1925 Clark became a Unionist Senator in the Northern Ireland parliament. He remained in this position until his death at his home, Dunlambert, Fortwilliam Park, Belfast, on 23 March 1935. He also served as a Deputy Lieutenant and director of the Bank of Ireland.