Mpanjaka grandidieri is a moth of the family Erebidae first described by Arthur Gardiner Butler in 1882.

[1] The wings are mouse grey, sparkled with black dots and crossed by four zigzag white stripes.

The body is whitish brown and sandy reddish behind the collar.

The antennae are white, black speckled with dark-brown pectinations.

This species was described by a specimen from Ankafana, central Madagascar.