John Green Crosse, FRCS, FRS (6 September 1790 – 9 June 1850) was a well-known English surgeon of his day, at the Norfolk and Norwich Hospital. After completing his apprenticeship in Stowmarket, he studied at St. George's Hospital and at the Windmill Street School of Medicine in London. He then moved to Dublin and Paris, finally settling in Norwich in 1815. In 1823 he became assistant-surgeon to the Norfolk and Norwich Hospital, and in 1826 surgeon. His reputation as a lithotomist, and in 1836 he was elected a Fellow of the Royal Society.
Among his publications were Sketches of the Medical Schools of Paris, describing hospital practice there, and A History of the Variolous Epidemic which occurred in Norwich in the year 1819. Crosse worked on bladder stones. In 1833 he won the Jacksonian prize of the Royal College of Surgeons of England for The Formation, Constituents, and Extraction of the Urinary Calculus.