Phyllopezus maranjonensis is a species of gecko, a lizard in the family Phyllodactylidae. The species is endemic to Peru.
P. maranjonensis is found in Chachapoyas Province, Amazonas Department, Peru.
P. maranjonensis may attain a snout-to-vent length (SVL) of . It is the largest species of gecko in the New World.
P. maranjonensis is oviparous. The adult female lays two eggs per clutch, laying multiple clutches in one year.