Aneurin may refer to: Aneurin, an alternative name for thiamine (vitamin B1) Aneurin Barnard (born 1987), Welsh actor Aneurin Bevan (1897–1960), Welsh politician Aneurin Hughes (1937–2000), British diplomat Aneurin Jones (1930–2017), Welsh artist See also Aneirin, a 6th- or 7th-century Brythonic bard