Stanley Chapman (15 September 1925 – 26 May 2009) was a British architect, designer, translator and writer. His interests included theatre and pataphysics. He was involved with founding the National Theatre of London, was a member of Oulipo of the year 1960, founder of the Outrapo and a member also of the French Collège de 'Pataphysique, the London Institute of 'Pataphysics and the Lewis Carroll Society. His English translation of Hundred Thousand Billion Poems was received with "admiring stupefaction" by Raymond Queneau.