Charles Stewart (1764–1837), was a British orientalist who served in the Bengal Army from 1781 until 1808.
In 1781 he entered the East India Company's Bengal Army as cadet, and left it with the rank of major in 1808.
On the foundation of the Fort William College, Calcutta in 1800, he was appointed assistant professor of Persian, but in 1806 returned to England, and in the following year was appointed to the professorship (which he retained until 1827), of Arabic, Persian, and Hindustani in the East India College, Haileybury.
He was a member of the Royal Academy of Sciences of Munich and other learned bodies, and in 1831 received the gold medal of the Oriental Translation Fund.
Nicholas Holland, rector of Stifford, and widow of J. Reid, esq., of Calcutta, but had no children.