Puff adder is the common name of several snake species:

Bitis arietans, a venomous snake species found in Africa and the southern Arabian Peninsula Bitis, any other member of this genus Heterodon, a genus of harmless North American colubrid snakes commonly known as hognose snakes

Puff adder may also refer to:

Puff Adder (character), a mutant supervillain in the Marvel Universe

See also

Pofadder (disambiguation)