Henry Radcliffe Crocker, MD, FRCP (6 March 1846 – 22 August 1909) was an English dermatologist.
Originally from Hove in Sussex, Crocker started his working life as an apprentice to a general practitioner, before going to London to attend the University College Hospital medical school.
Working as a resident medical officer with William Tilbury Fox, Crocker began a lifelong career in dermatology.
With his 1888 book Diseases of the Skin: their Description, Pathology, Diagnosis and Treatment, he became known as a leading figure of dermatology.