James Sidney Jones, usually credited as Sidney Jones, was an English conductor and composer, who was most famous for composing the musical scores for a series of musical comedy hits in the late Victorian and Edwardian periods. Jones's most famous musical was The Geisha, but several of his pieces were among the most popular shows of the era, enjoying long runs, international tours and revivals.

Edwardian musical comedy was a form of British musical theatre that extended beyond the reign of King Edward VII in both directions, beginning in the early 1890s, when the Gilbert and Sullivan operas' dominance had ended, until the rise of the American musicals by Jerome Kern, Rodgers and Hart, George Gershwin and Cole Porter following the First World War.