Muriel Catherine Canning Chapman (née Holmes) (16 September 1894 – 23 March 1988) was a British chemist.
She was one of the first female chemists at the University of Oxford, having matriculated there in 1920, the first year that women were permitted to do so.
[1] Her research was in chemical kinetics,[2] and was carried out in conjunction with her husband, David Chapman.
Chapman was the daughter of Samuel Holmes, a sometime theology lecturer at Jesus College, Oxford.
[3] After about 1927, she became active in the League for the Prohibition of Cruel Sports and was secretary of the Oxford branch throughout its existence.