Prof Thomas Walley FECVS (1842–1894) was a 19th-century British veterinarian who served as Principal of the Dick Vet school in Edinburgh from 1874 to 1894.
He was a pioneer in identifying the link (through milk consumption) between bovine and human tuberculosis.
[4] In 1894 he was running the Veterinary College (Dick Vet) on Clyde Street in the First New Town in Edinburgh and also ran a veterinary infirmary and farriers yard on Jane Street in Leith, living at that point at 10 Broughton Place in the eastern New Town.
[5] He died in office in Edinburgh on 10 December 1894 and was replaced by his friend Prof John Dewar.
Walley was one of twenty "shadow portraits" created in the Summerhall building of the college, depicting former Principals.