Julián Monge-Nájera (born June 6, 1960 in San José is a Costa Rican ecologist, scientific editor, educator and photographer.
He has done research with the following institutions: Universidad de Costa Rica, Smithsonian Tropical Research Institute, and Universidad Estatal a Distancia.
His scientific work has been featured by The New York Times; National Geographic Magazine; the BBC; Wired; IFLoveScience; The Independent (London) and The Reader's Digest, among others.
He is a member of the Expert Panel that sets the Environmental Doomsday Clock; Onychophora Curator in the Encyclopedia of Life; and Team Member of the IUCN Red List of Threatened Species.