Herbert William Trenchard (8 September 1857, Thorncombe – 15 April 1934, London) was an English chess master.
He took 11th and tied for 4-5th in London in 1886, shared twice 3rd at Cambridge 1890 and Oxford 1891, tied for 4-5th at Brighton 1892, took 2nd at London 1992 (B tourn), tied for 3rd-4th at Woolhall Spa 1893, and took 3rd at London 1896,[1]
He also participated at Vienna 1898 (Kaiser-Jubiläumsturnier, Siegbert Tarrasch and Harry Pillsbury won) and took 19th place there.[2][3]