De Lalande may refer to:
De Lalande (crater), an impact crater on Venus, named for the astronomer Hôtel de Lalande, now Musée des Arts Décoratifs et du Design in Bordeaux, France
People with the surname Antoine André de Sainte-Marthe de Lalande, chevalier de Sainte-Marthe (1615–1679), French soldier Jean de Lalande (died 1646), French Jesuit missionary Joseph de Lalande or Jérôme Lalande (1732–1807), French astronomer and writer Marie-Jeanne de Lalande (1768–1832), French astronomer and mathematician Michel Lefrançois de Lalande (1766–1839), French astronomer Michel-Richard de Lalande (1657–1726), French Baroque composer and organist
See also Château de Lalande (disambiguation)
Delalande, a surname Lalande (disambiguation)