Voelcker (or Volcker, Völckers, Voelckers) is a surname, and may refer to:

• Augustus Voelcker (1822–1884), agricultural chemist
• John Augustus Voelcker (1854-1937), agricultural chemist (son of previous)
• John Voelcker (1927–1972), British architect and designer
• Paul Völckers (1891–1946), German general
• Paul Volcker (born 1927), American economist, former Chairman of the Federal Reserve

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