Sir Thomas Lynedoch Graham KC (5 May 1860 – 7 May 1940) was a South African judge and politician.

[2] Returning to South Africa, he became an advocate of the Supreme Court of Cape Colony.

In 1902 he became Attorney-General again and from June to August he acted as Prime Minister while Sprigg attended the Coronation of King Edward VII in London.

In 1913 he was appointed Judge-President of the Eastern Districts Local Division of the Supreme Court of South Africa, with his seat in his hometown.

[3] In September 1882, Graham participated in the Oxford and Cambridge Challenge Cup tennis tournament, played on grass in Oxford, where he lost in the first round to Robert Wallace Glen Lee Braddell, the son of Sir Thomas Braddell.