Imbira guaiana is a species of land planarian in the subfamily Geoplaninae.

Its dorsal surface has a greyish-olive color and the ventral side is yellowish-olive.

The numerous small eyes are arranged long the body margins from the anterior to the posterior tip.

[2] The specific epithet guaiana refers to the Kaingang people (also known as guainás or guaianos) that in the past inhabited the region where the species is found.

[2] The only known place of occurrence of I. guaiana is the São Francisco de Paula National Forest in southern Brazil.