Claude Ambrose Rogers FRS[1] (1 November 1920 – 5 December 2005) was an English mathematician who worked in analysis and geometry.

[5][6][7][8] In the theory of Banach spaces and summability, he proved the Dvoretzky–Rogers lemma and the Dvoretzky–Rogers theorem, both with Aryeh Dvoretzky.

Rogers was elected a Fellow of the Royal Society (FRS) in 1959.

He won the London Mathematical Society's De Morgan Medal in 1977.

Rogers was married to children's writer Joan North.