Louise-Marie or Louise Marie may refer to:
- Louise Marie Adélaïde de Bourbon (1753-1821), daughter and heiress of Louis Jean Marie de Bourbon, duc de Penthièvre
- Louise Marie Adélaïde Eugènie d'Orléans (1777-1847), daughter of Louis Philip II, Duke of Orléans
- Louise Marie de la Grange d'Arquien (1634-1728), daughter of Henri de la Grange d'Arquien and Françoise de La Châtre
- Louise Marie of the Palatinate (1647-1679), daughter of Edward, Count Palatine of Simmern and Anne Gonzaga
- Louise Marie d'Orléans (1726-1728), infant French Princess
- Louise Marie d'Orléans (1812-1850), French princess, Belgian Queen, wive of King Leopold I of Belgium
- Princess Louise Marie of Belgium (1858-1924), eldest daughter of King Leopold II of Belgium and Marie Henriette of Austria
- Princess Louise Marie of France (1737-1787), Carmelite nun
- Louisa Maria Teresa Stuart, Princess, (1682-1712), known in French as Louise Marie
- Belgian frigate Louise-Marie (F931)
- Louise-Marie, Belgian hamlet