Tiberia paumotensis is a species of small sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

[1] The thin, smooth, white shell is hyaline.

The upper whorls suddenly taper to an acute apex.

The columella is slightly callous, with two oblique plaits, the lower one most conspicuous, the upper smaller and deep-seated.

[2] The type species has been found in the Pacific Ocean off the Tuamotus.