Chicken snake may refer to:
Pantherophis alleghaniensis, the eastern rat snake, a nonvenomous colubrid found in North America Pantherophis guttatus, the corn snake, a nonvenomous colubrid found in North America Pantherophis obsoletus, the black rat snake, a nonvenomous colubrid found in North America Pantherophis spiloides, the gray rat snake, a nonvenomous colubrid found in North America Pituophis m. melanoleucus, the northern pine snake, a nonvenomous colubrid found in North America Spilotes pullatus, a colubrid snake endemic to the Neotropics