The Moroccan worm lizard (Blanus mettetali) is a species of amphisbaenian in the family Blanidae. The species is endemic to Morocco.
The specific name, mettetali, is in honor of a Mr. Mettetal who was head of the Laboratory of Animal Biology, Faculty of Sciences of Morocco.
Blanus mettetali has eight or more preanal pores, which are usually arranged in a continuous transverse series.
The natural habitats of Blanus mettetali are temperate forests, temperate shrubland, Mediterranean-type shrubby vegetation, arable land, and pastureland, at elevations up to .
Blanus mettetali is terrestrial, sheltering in sandy soil and under stones.
Blanus mettetali is oviparous. Clutch size is one egg.
Blanus mettetali is threatened by habitat loss.