Francis Arthur Bather FRS (17 February 1863 in London (Richmond upon Thames) – 20 March 1934) was a British palaeontologist, geologist and malacologist. His mother, Lucy, was a daughter of the Rt. Rev. Charles James Blomfield, Bishop of London.
Bather joined the Department of Geology at the Natural History Museum in 1887. He became Keeper in succession to Arthur Smith Woodward in 1924, retiring in 1928.
Bather was awarded the Lyell Medal of the Geological Society, of which he also served as President. He was an Honorary Member of the Royal Geological Society of Cornwall, and was elected a fellow of the Royal Society in 1909. He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1928. In 1932 Bather was awarded the Mary Clark Thompson Medal from the National Academy of Sciences.
- The Genera and Species of Blastoidea (1899)