Robert William Thomson (24 March 1934, Cheam, London UK – 20 November 2018, Oxford) was Calouste Gulbenkian Professor of Armenian Studies at Oxford University.

[1] Thomson graduated from the University of Cambridge with a degree in classics, then studied at the Halki seminary in Turkey.

[2] Thomson received his PhD from Cambridge after defending his doctoral dissertation on Armenian and Syriac versions of Athanasius of Alexandria's works.

[2] When an Armenian Studies Professorship was established in the Faculty of Arts and Sciences at the Harvard University in 1969, Thomson was appointed to the chair which was subsequently named in honor of Armenian saint and scholar Mesrob Mashtots.

Thomson held this position until 1992, when he accepted the Gulbenkian Chair in Armenian Studies at Oxford University in England.