James Avon Clyde, Lord Clyde KC DL (14 November 1863 – 16 June 1944) was a Scottish politician and judge.
Clyde was born on 14 November 1863, the son of Dr James Clyde LLD. His father was Rector of the Dollar Academy and then of the Edinburgh Academy.
He was educated at the Edinburgh Academy and at the University of Edinburgh, where he graduated with an MA 1884 and an LLB in 1888.
Clyde was called to the Scots Bar in 1889, and by the times he was appointed a King's Counsel (KC) in August 1901, he was the leading junior counsel in Scotland. As a KC, he was retained by several railway companies and frequently appeared before the Law Lords.
He was later Dean of the Faculty of Advocates from 1915–1918.
He held office briefly as Solicitor General for Scotland from October 1905 to December 1905.
He was the unsuccessful Tory candidate for Clackmannanshire and Kinross-shire in 1906. He was elected at a by-election in May 1909 as the Liberal Unionist Member of Parliament (MP) for Edinburgh West, and held the seat until 1918. He was Coalition Unionist member for Edinburgh North from 1918–1920.