Ailwyn Edward Fellowes, 3rd Baron de Ramsey KBE, TD (16 March 1910 – 31 March 1993) was a British peer. de Ramsey was the son of the Hon. Coulson Churchill Fellowes (1883–1915), son of William Fellowes, 2nd Baron de Ramsey. His mother was Gwendolene Dorothy, daughter of Harry Wyndham Jefferson. He was educated at Oundle School. His father had died while on active service in the First World War and in May 1925, aged 15, he succeeded his grandfather in the barony. de Ramsey fought in the Second World War as a captain in the Royal Artillery (TA), was taken a Prisoner of War and awarded the Territorial Decoration.