Fielden is an English surname. Notable people with it include:

• Charlotte Fielden (1932–2021), Canadian novelist, playwright, actress and therapist
• Edward Fielden (politician) (1857–1942), British businessman and Conservative Party politician
• Edward Fielden (RAF officer) (1903–1976), Royal Air Force pilot and World War II veteran
• Jamie Fielden (born 1978), English professional rugby league player
• John Fielden (1784–1849), British social reformer and benefactor
• Joshua Fielden (politician) (1827–1887), British cotton manufacturer and Conservative politician
• Louisa Fielden (born 1983), British film director, screenwriter and producer
• Samuel Fielden (1847–1922), socialist, anarchist and labor activist convicted in the 1886 Haymarket bombing
• Stuart Fielden (born 1979), English professional rugby league footballer
• Thomas Fielden (musician) (1883–1974), British pianist and music teacher
• Thomas Fielden (politician) (1854–1897), British Conservative Party politician
• TP Fielden, pen name of Christopher Wilson (born 1947) for novels

• Fielden, Missouri, United States, an unincorporated community
• Fielden Chair of Pure Mathematics, endowed professorial position in the School of Mathematics, University of Manchester, England
• Fielden Electronics, a UK former company