Black snake may refer to:
Snakes Agkistrodon piscivorus, a.k.a. the cottonmouth, a pitviper species found in North America Coluber constrictor, a colubrid species found in North America Crotalus oreganus, a.k.a. the Northern Pacific rattlesnake, a rattlesnake species found in North America Pantherophis alleghaniensis, Pantherophis obsoletus, and Pantherophis spiloides, a.k.a. the black (or gray) rat snake or the pilot black snake, three colubrid snake species found in North America Pseudechis, a genus of elapids snakes found in Australia
Other A type of whip Black snake (firework), a type of firework Governor Blacksnake (1760–1859), a Seneca chief also known as Chainbreaker Black Snake (Shawnee), a leader in the defeat of Colonel William Crawford's army during the Crawford expedition of 1782 Black Snake (film), made in 1973 and directed by Russ Meyer Black Snake, Kentucky
See also Kala Nag (), a mountain in India Kalanag (magician), German magician who adopted an Indian moniker Kaala Naag, villain portrayed by Sadashiv Amrapurkar in the 1989 Indian film Elaan-E-Jung