Sir John Shipley Rowlinson FREng (born 12 May 1926) is a British chemist. Born in Handforth, Cheshire, he attended the independent Rossall School. He was educated at Trinity College, Oxford where he was awarded a Millard scholarship to read Chemistry. His tutor was Professor Sir Cyril Hinshelwood, who was the first head of the Physical Chemistry Laboratory. He received a D. Phil from the University of Oxford in chemical kinetics, working under J. D. Lambert.
In 1961, he was appointed Professor in Chemical Technology at Imperial College London. In 1974, he moved to Oxford as Dr Lee's Professor of Chemistry. He retired in 1993 but remains a Fellow of Exeter College, Oxford. He received the Faraday Lectureship Prize in 1983. He was elected a Fellow of the Royal Society in 1970. He was appointed a Fellow of the Royal Academy of Engineering in 1976. He was knighted in the 2000 Birthday Honours.