Xenodon rabdocephalus, commonly known as the false fer-de-lance, is a species of mildly venomous rear-fanged snake in the family Colubridae.

X. rabdocephalus is found in southern Mexico in the states of Guerrero, Veracruz, Yucatan and Campeche, through Guatemala, Belize, Honduras, El Salvador, Costa Rica and Panama.

In northern South America it is found in Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia and Brazil where it occurs in the states of Amapá, Rondônia, Pará, Espírito Santo and Bahia.

[2] The preferred natural habitat of X. rabdocephalus is forest in the moist lowlands and the premontane regions,[3] at altitudes from sea level to 1,500 m (4,900 ft).

[1] X. rabdocephalus is a medium-sized snake which reaches a total length (including tail) of 80 cm (31 in).