James Latham McDiarmid Clyde, Lord Clyde (30 October 1898 – 30 June 1975) was a Scottish Unionist politician and judge.
The eldest son of James Avon Clyde, Lord Clyde, he was educated at Edinburgh Academy, Trinity College, Oxford and Edinburgh University, and was admitted as an advocate in 1924 and as a King's Counsel in 1936.
He was an unsuccessful parliamentary candidate for Midlothian South and Peebles at the 1945 general election, and was elected as Member of Parliament for Edinburgh North at the 1950 election, holding the seat until December 1954.
He was appointed a Privy Counsellor and Lord Advocate in 1951, and in 1954 was raised to the bench as Lord President, with the judicial title Lord Clyde. He held this office until 1972. His father had previously also served as Lord Advocate and Lord President.
His son, James Clyde, Baron Clyde became a member of the Court of Session and latterly a Law Lord.