Micromelo guamensis, common name the Guam paper bubble, is a species of sea snail, a bubble snail, a marine opisthobranch gastropod mollusc in the family Aplustridae.

This species has a white shell with black to brownish wavy longitudinal bands.

The shell is too small to hold the whole body, which has a green mantle with white spots and yellowish margins.

This species is found in shallow water, crawling on algae-covered rocks.

This species occurs in South Africa, Japan, and the west coast of Australia.