Voelcker(s)/Völcker(s) (or Volcker) is a surname. Notable people with the surname include:
Augustus Voelcker (1822–1884), German-born English agricultural chemist Otto Voelckers (1888–1957), German architect and technical author Francis William Voelcker (1896–1954), British army officer John Augustus Voelcker (1854–1937), English agricultural chemist and son of Augustus Voelcker Paul Völckers (1891–1946), German general John Voelcker (1927–1972), British architect and designer Paul Volcker (1927–2019), American economist, former Federal Reserve Chairman Herbert Voelcker (1930–2020), American sports shooter, professor and engineer