John Read le Brockton Tomlin (15 August 1864 – 24 December 1954) was a British malacologist. He was one of the founders of the Malacological Society of London and was president of the Conchological Society of Great Britain & Ireland on two separate occasions.
Tomlin named more than a hundred taxa of gastropod molluscs, including:
He also named some scaphopods and bivalves.