Christian Mary McEwen, Dowager Lady Hesketh, OBE, DL (17 July 1929, Marchmont House, Greenlaw, Berwickshire, Scotland – 7 April 2006, London) was a British politician, journalist and educationist.
Christian McEwen was born on 17 July 1929 at Marchmont House, Greenlaw, Berwickshire, Scotland. She was the only daughter of Captain Sir John Helias Finnie McEwen, MP, and his wife, Brigid Mary (née Lindley). Her brother was Rory McEwen (1932–1982), the artist. She was brought up a Roman Catholic and educated at St Mary's School, Ascot.
From 1952–1983, she was county organiser for the WRVS and a member of the Arts Council from 1960-1963. She wrote several works of history and obtained a PhD from King's College London with a thesis published in 1999, The Political Opposition to the Government of Charles I in Scotland. She was a part-time journalist including rugby correspondent of The Spectator for a while.
In 1981, Lady Hesketh was appointed a Deputy Lieutenant for the county of Northamptonshire (as her husband had also been) and also served as High Sheriff in 1981. She was awarded the OBE in 1984.
Lady Hesketh was a chairman of Daventry Conservative Association and also became a County Councillor for Northamptonshire from 1989-1993, and Daventry District Councillor with special interest in education. She was chairman of the Governors of the Sponne School, Towcester.