The undulated antpitta (Grallaria squamigera ) is a bird in the family Grallariidae. The species was first described by Florent Prévost and Marc Athanase Parfait Œillet des Murs in 1842.
The undulated antpitta has dark brown upperparts with a gray crown and nape. The throat and moustachial region are white, separated by a black malar line. The underparts are orange to buffy with heavy barring.