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