Siphlophis is a genus of snakes of the family Colubridae. The genus is endemic to the Americas.
Species of the genus Siphlophis are found in northern South America and Central America.
The following seven species are recognized as being valid.
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Siphlophis.
The specific name, worontzowi, is in honor of Brazilian entomologist Cesar Worontzow.