Anathallis angustilabia is a species of plant in the Orchidaceae family.
It is endemic to Colombia.
Anathallis angustilabia is found in forests at elevations of 800 to 2500 meters. It is an epiphyte that blooms in late winter to early spring.
It was named by Alec Melton Pridgeon, and Mark Wayne Chase in Lindleyana 16: 247 in 2001.