Sir John Rose Bradford, 1st Baronet (7 May 1863 – 7 April 1935) was a British physician.

In 1894 he was elected a Fellow of the Royal Society and in 1898 published Clinical Lectures on Nephritis.

After gaining a knowledge of tropical diseases as Physician to the Seamen's Hospital he became Senior Medical Advisor to the Colonial Office from 1912 to 1924.

Under his presidency the College celebrated in 1928 the tercentenary of the publication of Harvey’s De Motu Cordis.

During the First World War he served in France for five years as Consulting Physician to the British Expeditionary Force with the rank of Major-General.