This is a list of snakes found in the U.S. state of Oklahoma.

Snakes of Oklahoma

Non-venomous snakes

• Arizona elegans—glossy snake
• Carphophis amaenus—worm snake
• Cemophora coccinea—scarlet snake
• Coluber constrictor—Southern Black Racer
• Diadophis punctatus—ring-neck snake
• Elaphe guttata—great plains rat snake
• E. obsoleta—black rat snake
• Farancia abacura—mud snake
• Heterodon nasicus—western hognose snake
• H. platyrhinos—eastern hognose snake
• Hypsiglena torquata—Texas night snake
• Lampropeltis calligaster—prairie kingsnake
• L. getulus—speckled and desert kingsnakes
• L. triangulum—milk snake
• Leptotyphlops dulcis—blind snake
• Liodytes rigida — glossy water snake
• Masticophis flagellum—coachwhip snake
• Nerodia erythrogaster—yellow-bellied and blotched water snake
• N. fasciata—broad-banded water snake
• N. rhombifera—diamond-back water snake
• N. sipedon—northern and midland water snake
• Opheodrys aestivus—keeled green or rough green snake
• Pituophis catenifer sayi—bullsnake
• Regina grahami—Graham's water snake
• Rhinocheilus lecontei—long-nosed snake
• Sonora semiannulata—great plains ground snake
• Storeria dekayi—brown snake
• S. d. texana-Texas brown snake
• S. occipitomaculata—red bellied snake
• Tantilla gracilis—flat-headed snake
• T. nigriceps—black-headed snake
• Thamnophis cyrtopsis—black-necked garter snake
• T. elegans—wandering garter snake
• T. marcianus—checkered garter snake
• T. proximus—western ribbon snake
• T. radix—plains garter snake
• T. sirtalis—red-sided and Texas garter snakes
• Tropidoclonion lineatum—lined snake
• Virginia striatula—rough earth snake
• V. valeriae—smooth earth snake

Venomous snakes

• Agkistrodon contortrix—copperhead
• A. piscivorus—cottonmouth or water moccasin
• Crotalus atrox—western diamond-back rattlesnake
• C. horridus—timber rattlesnake
• C. viridis—prairie rattlesnake
• Sistrurus catenatus—western massasauga rattlesnake
• S. miliarius—western pygmy rattlesnake