Sir Charles John Holmes, KCVO (11 November 1868, Preston, Lancashire – 7 December 1936, Kensington, London) was a British painter, art historian and museum director. His writing on art combined theory with practice, and he was an expert on the painting techniques of the Old Masters, from whose example he had learned to draw and paint.
Holmes was the son of a clergyman, Charles Rivington Holmes, and Mary Susan Dickson. His uncle was Sir Richard Holmes, librarian at Windsor Castle. He attended Eton College from 1883 and attained a scholarship to Brasenose College, Oxford in 1887. From 1889, Holmes worked as a publisher's and printer's assistant in London, first for his cousin Francis Rivington, then at the Ballantyne Press, and finally with John Cumming Nimmo. From 1896 to 1903, he was manager of the Vale Press, supporting Charles Ricketts and Charles Shannon. Holmes also wrote an art column for the Athenaeum which he shared with Roger Fry. In 1903, Holmes married his cousin, the musician Florence Rivington.
From 1904 to 1910, Holmes was Slade Professor of Fine Art at Oxford University. At the same time, his experience in the field of publishing contributed to the early success of The Burlington Magazine (founded 1903), which he edited from 1904 to 1909 (co-editor with Robert Dell until 1906, co-editor with Harold Child from 1907).
Upon the retirement of Lionel Cust, Holmes was appointed director of the National Portrait Gallery in 1909. He resigned this post in 1916 to take up his appointment as director of the National Gallery. Since a change in the constitution of the gallery meant that Holmes was not given the absolute authority in the choice of purchases which his predecessors had enjoyed, Holmes instead made it his priority to familiarise the general public with the contents of the museum. Using his experience as a critic and in publishing, he published a series of catalogues of the National Gallery's holdings and produced a guide book. He retired in 1928.