| State | State reptile | Scientific name | Year adopted | Conservation status | Photograph | References |
| Alabama | Alabama red-bellied turtle | Pseudemys alabamensis | 1990 | Endangered | A red-bellied turtle with its limbs retracted and head mostly retracted face on, sand on shell. | - |
| Arizona | Arizona ridge-nosed rattlesnake | Crotalus willardi subspecies willardi | 1986 | Least Concern | An Arizona Ridge-Nosed Rattlesnake somewhat coiled up facing right. | - |
| California | Desert tortoise | Gopherus agassizii | 1972 | Vulnerable | A desert tortoise standing on dry and cracked sand. The shell is faded and abraded. | - |
| Colorado | Western painted turtle | Chrysemys picta subspecies bellii | 2008 | Least Concern | A western painted turtle facing away from the viewer on top of a dirt-patch overlooking water. | - |
| Florida | American alligator (state reptile) | Alligator mississippiensis | 1987 | Least Concern | A large American alligator standing half on sand and half on grass. | - |
| Florida | Loggerhead sea turtle (state saltwater reptile) | Caretta caretta | 2008 | Vulnerable | A loggerhead sea turtle swimming in an aquarium. | - |
| Florida | Gopher tortoise (state tortoise) | Gopherus polyphemus | 2008 | Vulnerable | An abraded tortoise walking on sandy ground. | - |
| Georgia | Gopher tortoise | Gopherus polyphemus | 1989 | Vulnerable | An abraded tortoise walking on sandy ground. | - |
| Illinois | Painted turtle | Chrysemys picta | 2005 | Least Concern | A midland painted turtle standing on rocky ground and facing the viewer. | - |
| Kansas | Ornate box turtle | Terrapene ornata | 1986 | Near Threatened | An ornate box turtle with a slightly dirty carapace raising its head. | - |
| Louisiana | American alligator | Alligator mississippiensis | 1983 | Least Concern | A large American alligator standing half on sand and half on grass. | - |
| Maryland | Diamondback terrapin | Malaclemys terrapin | 1994 | Near Threatened | A diamondback terrapin standing on a log with its head raised and body facing left. | - |
| Massachusetts | Garter snake | Thamnophis (whole genus) | 2006 | Least Concern | A Garter snake | - |
| Michigan | Painted turtle | Chrysemys picta | 1995 | Least Concern | A midland painted turtle standing on rocky ground and facing the viewer. | - |
| Mississippi | American alligator | Alligator mississippiensis | 2005 | Least Concern | A large American alligator standing half on sand and half on grass. | - |
| Missouri | Three-toed box turtle | Terrapene carolina subspecies triunguis | 2007 | Near Threatened | A three-toed box turtle standing on a turtle facing left. | - |
| Nevada | Desert tortoise | Gopherus agassizii | 1989 | Vulnerable | A desert tortoise standing on dry and cracked sand. The shell is faded and abraded. | - |
| New Mexico | New Mexico whiptail lizard | Cnemidophorus neomexicanus | 2003 | Least Concern | A small brown lizard with yellow stripes standing on a tan substrate. | - |
| New York | Common snapping turtle | Chelydra serpentina | 2006 | Least Concern | A common snapping turtle standing on all fours with its head slightly retracted and facing left. | - |
| North Carolina | Eastern box turtle | Terrapene carolina subspecies carolina | 1979 | Near Threatened | A bright yellow and black eastern box turtle looking at the viewer and facing toward the right. | - |
| Ohio | Northern black racer | Coluber constrictor subspecies constrictor | 1995 | Least Concern | An extreme close-up of a black racer's head: black eyes and a pointed snout are featured. | - |
| Oklahoma | Common collared lizard | Crotaphytus collaris | 1969 | Least Concern | A gray lizard with brown and yellow-orange markings standing on a rock in bright sunshine. | - |
| South Carolina | Loggerhead sea turtle | Caretta caretta | 1988 | Vulnerable | A loggerhead sea turtle swimming in an aquarium. | - |
| Tennessee | Eastern box turtle | Terrapene carolina subspecies carolina | 1995 | Near Threatened | A bright yellow and black eastern box turtle looking at the viewer and facing toward the right. | - |
| Texas | Texas horned lizard | Phrynosoma cornutum | 1993 | Least Concern | A lizard with intimidating spikes on its head and back standing on a log. | - |
| Vermont | Painted turtle | Chrysemys picta | 1994 | Least Concern | A midland painted turtle standing on rocky ground and facing the viewer. | - |
| West Virginia | Timber rattlesnake | Crotalus horridus | 2008 | Least Concern | A black, gray, and brown snake somewhat coiled up and looking at the viewer. | - |
| Wyoming | Horned lizard | Phrynosoma (whole genus) | 1993 | Least Concern | A fat looking horned lizard perched on a bright gray rock. | - |