Colias tamerlana is a butterfly in the family Pieridae. It is found in the eastern Palearctic realm (western Siberia, northern China, and Mongolia).
It is a large and very dark member of the genus Colias.
The larva feeds on Oxytropis oligantha
It was accepted as a species by Josef Grieshuber & Gerardo Lamas but may be a subspecies of Colias nastes.