Sir Thomas Walker Arnold CIE FBA (19 April 1864 – 9 June 1930) was a British orientalist and historian of Islamic art.

[2] Arnold was a friend of Sir Syed Ahmed Khan, who influenced him to write the famous book The Preaching of Islam,[2] and of Shibli Nomani, with whom he taught at Aligarh.

[2] Thomas Walker Arnold was born in Devonport, Plymouth on 19 April 1864,[4] and educated at the City of London School.

In 1892 he married Celia Mary Hickson,[2] a niece of Theodore Beck.

[4] In 1898, he accepted a post as Professor of Philosophy at the Government College, Lahore and later became Dean of the Oriental Faculty at Punjab University.