Tirathaba unicolorella is a species of moth of the family Pyralidae.

It is found in Bhutan and India (Assam).

Adults are uniform pale olive green, the forewings with a few scattered black scales and small raised specks of black scales at the middle and end of the cell, as well as an indistinct minutely dentate curved postmedial line.

The hindwings are slightly paler.

This Galleriinae-related article is a stub.