John George Adami (ä-dä' mee), FRS, FRSE, CBE, LL.D. (12 January 1862 – 29 August 1926) was a British pathologist. He was the head of the pathological department of the Royal Victoria Hospital. From 1892, he was professor of pathology in McGill University, Montreal, Canada. During World War I, he was accorded a temporary commission in the Canadian Army Medical Corps to serve as the official historian for the medical branch. Starting in 1919, he became the Vice-Chancellor of the University of Liverpool. He was elected a Fellow of the Royal Society of Edinburgh in 1898 and a Fellow of the Royal Society on 11 May 1905.
He was the son of the late John George Adami, hotel proprietor of Ashton-upon-Mersey, and Sarah Ann Ellis Leech.
He was educated at Manchester Grammar School, Owens College, Manchester and Christ's College, Cambridge, studying afterwards in Breslau and Paris. He took distinguished honours at Cambridge in natural science, was Darwin prizeman in 1885, M.R.C.S., and was appointed demonstrator of physiology at Cambridge University in 1887.
In 1888, he exposed himself to rabies, and published an account of his treatment at the Pasteur Institute's vaccination clinic. Elected fellow of Jesus College, Cambridge in 1891, he soon afterwards became head of the pathological department of the Royal Victoria Hospital. From 1892, he was professor of pathology in McGill University, Canada.
During World War I he held a temporary commission in the Canadian Army Medical Corps and served on the staff of the overseas Director General Medical Services, London. His principal role was as Assistant Medical Director in charge of statistics and returns. He was also appointed Medical Historical Recorder, and in this capacity charged with compiling a contemporary account of the Canadian medical service during the war, the first volume of which was published in 1918 as The War Story of the Canadian Army Medical Corps, Vol. 1. The remainder of his work on this subject remains unpublished. His wartime diary is held at the Welcome Library. From 1919, he was Vice-Chancellor of University of Liverpool.