Christopher Hooley FLSW FRS (born August 7, 1928) is a British mathematician, emeritus professor of mathematics at Cardiff University. He did his PhD under the supervision of Albert Ingham. He won the Adams Prize of Cambridge University in 1973. He was elected a Fellow of the Royal Society in 1983. He is also a Founding Fellow of the Learned Society of Wales.He showed that the Hasse principle holds for non-singular cubic forms in at least nine variables.