Arthur Thomas Hatto (11 February 1910 – 6 January 2010) was an English scholar of German studies at the University of London, notable for translations of the Medieval German narrative poems Tristan by Gottfried von Strassburg, Parzival by Wolfram von Eschenbach, and the Nibelungenlied. He was also known for his theory of epic heroic poetry, and related publications. He retired in 1977, and in 1991 the British Academy elected him as a Senior Fellow.