Arthur Henfrey (1 November 1819 – 7 September 1859) was an English surgeon and botanist.
He studied medicine and surgery at St. Bartholomew's Hospital, London, and was admitted a member of the Royal College of Surgeons in 1843.
[2] In 1847, Henfrey lectured on plants at the medical school of St. George's Hospital.
He then succeeded Edward Forbes in the botanical chair at King's College London in 1853; and was examiner in natural history to the Royal Military Academy and also to the Society of Arts.
The genus Henfreya of John Lindley, of the Acanthaceæ, was merged into the Asystasia of Blume.