 Alistair Vane-Tempest-Stewart, 9th Marquess of Londonderry

Alexander Charles Robert "Alistair" Vane-Tempest-Stewart, 9th Marquess of Londonderry (7 September 1937 – 20 June 2012) was a British nobleman.The son of Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry (1902–1955) and his wife, the former Romaine Combe (died 1951), Alexander Charles Robert Vane-Tempest-Stewart was known familiarly as "Alistair".