James "Jem" Broadbridge (1795–1843) was an English professional cricketer who is widely considered the outstanding all-rounder in England during the 1820s. He played mainly for Sussex teams and made 102 known appearances in first-class cricket from 1814 to 1840, being best remembered for his part in the introduction of roundarm bowling. He played for the Players in the Gentlemen v Players series and the South in the North v. South series.