Deaf adder

Deaf adder may refer to:


 * Acanthophis antarcticus, a.k.a. the death adder, a venomous elapid found in Australia
 * Agkistrodon contortrix mokasen, a.k.a. the northern copperhead, a venomous viper species also found in the United States
 * Anguis fragilis, a.k.a. slow worm
 * Heterodon platirhinos, a.k.a. the eastern hognose snake, a harmless species found the United States