Henry Hyam Vincent Barnett (1848 – 19 October 1913), known professionally as H. H. Vincent was an English actor. After playing romantic leads early in his career he worked in Australia as an actor and director during the 1880s and on returning to Britain in 1890 he established himself as a character actor at the St James's Theatre, London, where he created roles including Lord Augustus Lorton in Oscar Wilde's Lady Windermere's Fan (1892), Mr Briginshaw in R. C. Carton's Liberty Hall (1892) and Dr Chasuble in Wilde's The Importance of Being Earnest (1895)