Cyrtomon is a genus of broad-nosed weevils in the beetle family Curculionidae, present only in South America.

[8] Additional cladistics analyses involving Cyrtomon are presented in Lanteri and del Río (2016), which support the monophyly of the genus.

[9] Members of Cyrtomon are mid-sized (12–24 mm) and can be recognized by their dense and uniform scale coverage, which is grey to green or brown in coloration.

Lanteri provides the following diagnosis for Cyrtomon:[8] Antenito 2 poco más largo que el 1.

Revestimiento de color verde, ceniza o castaño, compuesto por escamas redondas, generalmente superpuestas y setas escamiformes decumbentes.Members of Cyrtomon can be found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.