The Mbanja worm lizard (Chirindia ewerbecki), also known commonly as Ewerbeck's round-headed worm lizard, is a species of amphisbaenian in the family Amphisbaenidae. The species is endemic to Tanzania. There are two recognized subspecies.
The specific name, ewerbecki, is in honor of German customs official Karl Ewerbeck, who collected the holotype.
C. ewerbecki is found in extreme southeastern Tanzania.
The preferred natural habitat of C. ewerbecki is savanna, at an altitude of about .
C. ewerbecki is oviparous. The adult female lays a single egg.
Two subspecies are recognized as being valid, including the nominotypical subspecies.
Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Chirindia.