Tantilla miyatai is a species of snake in the subfamily Colubrinae of the family Colubridae. The species is endemic to Ecuador.
The specific name, miyatai, is in honor of American herpetologist (1951âÂÂ1983).
Tantilla miyatai is found in the northern Sierra region of Ecuador, in Pichincha Province.
The preferred natural habitat of Tantilla miyatai is forest, at an altitude of .
Tantilla miyatai is oviparous.