This is a list of reptiles of Mongolia.

• Kaspischer even-fingered gecko or squeaky pygmy gecko (Alsophylax pipiens)
• Yangihissar gecko (Tenuidactylus elongatus)
• Przewalski's wonder gecko or plate-tailed gecko (Teratoscincus przewalskii)

• Mongolian agama or Mongolian rock agama (Paralaudakia stoliczkana)
• Sunwatcher toad-head agama (Phrynocephalus helioscopus)
• Tuva toad-head agama (Phrynocephalus versicolor)

• Mongolian racerunner (Eremias argus)
• Stepperunner or arguta (Eremias arguta)
• Dzungarian racerunner (Eremias dzungarica)
• Multi-oscillated racerunner (Eremias multiocellata)
• Gobi racerunner (Eremias przewalskii)
• Variegated racerunner (Eremias vermiculata)
• Sand lizard (Lacerta agilis)
• Viviparous lizard or common lizard (Zootoca vivipara)

• Tatary sand boa (Eryx tataricus)

• Slender racer (Orientocoluber spinalis)
• Steppes rat snake, Dione snake or Pallas' coluber (Elaphe dione)
• Amur rat snake, great black snake, Manchurian black, Siberian rat snake or Russian rat snake (Elaphe schrenckii)

  

• European grass snake or grass snake (Natrix natrix)
• Steppe ribbon racer (Psammophis lineolatus)

• Halys pit viper or Asian viper (Gloydius halys)
• Ussuri mamushi (Gloydius ussuriensis)
• Adder or common northern viper (Vipera berus)

• Mongolian Red List of Reptiles and Amphibians. Zoological Society of London, Regent’s Park, London, NW1 4RY, 2006