Pierre M. Lapie (fl. 1779 - 1850) and his son Alexandre Emile Lapie (fl. 1809 - 1850) were French cartographers and engravers active in the early part of the 19th century. The Lapies were commissioned officers in the French army holding the ranks of Colonel and Capitan, respectively. Alexander enjoyed the title of "First Geographer to the King", and this title appears on several of his atlases. Both father and son were exceptional engravers and fastidious cartographers. Working separately and jointly they published four important atlases, an 1811 Atlas of the French Empire (Alexander), the 1812 Atlas Classique et Universel (Pierre), the Atlas Universel de Geographie Ancienne et Modern (joint issue), and the 1848 Atlas Militaire (Alexander). They also issued many smaller maps and independent issues. All of these are products of exceptional beauty and detail. Despite producing many beautiful maps and atlases, the work of the Lapie family remains largely underappreciated by most modern collectors and map historians. The later 19th century cartographer A. H. Dufour claimed to be a student of Lapie, though it is unclear if he was referring to the father or the son. The work of the Lapie firm, with its precise engraving and informational density, strongly influenced the mid-19th century German commercial map publishers whose maps would eventually dominate the continental market.