Xestogaster is a South American genus of broad-nosed weevils in the family Curculionidae.
The genus was described by Sir Guy A. K. Marshall in 1922 (p. 221).
Xestogaster contains four described species:
Members of the genus Xestogaster are similar to members of the genera Exorides and Compsus.
According to Marshall:
The genus Xestogaster is distributed in Brazil, Colombia, and Peru.