Jacob Furth (November 15, 1840 – June 2, 1914) was an Austrian Empire-born American entrepreneur and prominent Seattle banker. He played a key role in consolidating Seattle's electric power and public transportation infrastructure, and was a member of Ohaveth Sholum Congregation, Seattle's first synagogue. Bill Speidel called him "the city's leading citizen for thirty years," adding that Furth "may even have been the most important citizen Seattle ever had." wrote shortly after Furth's death: