Bothriechis rowleyi is a species of pit viper, a venomous snake, in the subfamily Crotalinae of the family Viperidae.

Adults grow to a total length (including tail) of at least 97.3 centimetres (38.3 in)[3] B. rowleyi is found in Mexico in southeastern Oaxaca and northern Chiapas.

The type locality given is "a ridge that extends northward from Rancho Vicente, Colonia Rodolfo Figueroa, approximately 5 miles west of Cerro Baúl.

The site is at an elevation of approximately 1,520 metres (4,990 ft), on the headwaters of the Río Grijalva, roughly 30 kilometres (19 mi) to the north and slightly to the east of San Pedero Tapánatepec, in the Distrito de Juchitán, Oaxaca, Mexico.

[1] A species is listed as such when the best available evidence indicates that the extent of occurrence is estimated to be less than 20,000 square kilometres (7,700 sq mi), that estimates indicate the population to be severely fragmented or known to exist at no more than 10 locations, and that a continuing decline has been observed, inferred or projected, in the area, extent and/or quality of habitat.