'''Régnier''' or '''Regnier''' is a French given name, personal name and surname, and may refer to: {{TOC right}}

==Surname== * Adolphe Regnier (1804–1884), French linguist * Charles Regnier (1914–2001, father of Anatol Regnier), German actor * Claude Ambroise Régnier (1746–1814), French lawyer and politician * Émile Régnier (1894–1940), French World War I pilot * Eva Regnier (born 1971), American decision scientist * Henri de Régnier (1864–1936), French symbolist poet * Marc Regnier (born circa 1960), American classical guitarist * Mary Pius Regnier (1914–2005), American nun and former general superior of the Sisters of Providence of Saint Mary-of-the-Woods, Indiana * Mathurin Régnier (1573–1613), French satirist * Michel Régnier (1931–1999), "Greg", Belgian comics writer and artist * Natacha Régnier (born 1974), Belgian actor * Nicolas Régnier (1591–1667), Flemish painter and art collector * Paule Régnier (1888–1950), French writer * Victor Régnier (1889–1966), French World War I pilot

==Personal name== * Regnier I, Count of Hainaut (850–915), son of Gislebert, Count of Darnau and Ermengarde of Lorraine * Regnier II, Count of Hainault (born 890), son of Regnier I, Count of Hainaut and Hersent of France * Regnier III, Count of Hainaut (circa 920–973), son of Regnier II, Count of Hainaut * Regnier de Graaf (1641–1673), Dutch physician and anatomist * Rainerius, patron saint of Pisa

==Other== * Régnier Motor Company, an aircraft engine manufacturer founded by Émile Régnier

==See also== * Rainer (disambiguation) * Reginar * Reinier * Reynier (disambiguation)

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