Sir John Hay Athole Macdonald, Lord Kingsburgh, KCB, PC (27 December 1836 – 9 May 1919) was a Scottish Conservative Party politician and later a judge.
He was called to the Scottish bar in 1859. On 30 July 1875 he was appointed by Queen Victoria to be Sheriff of the Shires of Ross, Cromarty, and Sutherland. He was appointed Solicitor General for Scotland from 1876 to 1880. He was appointed as Sheriff of Perthshire in 1880, and served as Dean of the Faculty of Advocates from 1882 to 1885.
Elected as the Member of Parliament (MP) for Edinburgh and St Andrews Universities at the 1885 general election, he served as Lord Advocate from 1885 to 1886 and from 1886 to 1888. He became a Queen's Counsel in 1880, and was appointed a Privy Counsellor in 1885.
On 5 June 1901 he was appointed Honorary Colonel of the Queen's Rifle Volunteer Brigade, the Royal Scots (Lothian Regiment).
He gave up his Parliamentary seat and was appointed Lord Justice Clerk in 1888, taking the title Lord Kingsburgh, and presided over the Second Division of the Court of Session until 1915. He was promoted from Ensign to Lieutenant in the Royal Company of Archers on 18 June 1915.