L. maximus

L. maximus may refer to:
 * Lagostomus maximus, the plains viscacha or plains vizcacha, a rodent species found in Argentina, Bolivia, and Paraguay
 * Latirus maximus, a sea snail species
 * Lethocerus maximus,A species of aquatic insect found in South America
 * Limax maximus, the great grey slug or leopard slug, one of the largest kinds of keeled air-breathing land slug in the world native to Europe
 * Longidorus maximus, a plant pathogenic nematode species