Paralaoma compar, also known as the ribbed pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

[2] The depressedly turbinate shell of the mature snail is 1.2–1.3 mm in height, with a diameter of 2.4–2.5 mm, and a low spire.

The whorls are rounded, with impressed sutures and moderately closely spaced radial ribs.

It has a roundedly lunate aperture and moderately widely open umbilicus.

[2] The snail is found on the summits and slopes of the southern mountains of the island.