Meynier is a surname. Notable people with the surname include:
André Meynier (1901–1983), French geographer Charles Meynier (1763 or 1768–1832), French painter Geronimo Meynier (1941–2021), Italian teen film actor Jean-Baptiste Meynier (1749–1813), French general Octave Meynier (1874–1961), French military officer