William John St Clair Anstruther-Gray, Baron Kilmany, MC PC (5 March 1905 – 6 August 1985) was a Scottish Unionist Party politician.

The only son of Col William Anstruther-Gray of Kilmany and Clayre Jessie Tennant, he was born in Cupar, Fife, Scotland, and was educated at Eton College and at Christ Church, Oxford.

[1] He was elected as Unionist Member of Parliament (MP) for North Lanarkshire, in Scotland, in 1931, holding the seat until 1945.

[1] He contested Berwick and East Lothian in February 1950, and was elected for the seat in 1951, holding it until 1966.

[1] On 22 July 1985, Anstruther-Gray collapsed in the Lords chamber, and died in Westminster Hospital on 6 August, aged 80.