Trigonopterus suturatus is a species of flightless weevil in the genus Trigonopterus from Indonesia.

The species is endemic to Sulawesi in Indonesia.

The species was described in May 2019.Riedel, Alexander; Narakusumo, Raden Pramesa (2019-03-07).

"One hundred and three new species of Trigonopterus weevils from Sulawesi".

This Trigonopterus-related article is a stub.