Howearion hilli, also known as the Lord Howe semislug, is a species of semislug that is endemic to Australia's Lord Howe Island in the Tasman Sea.

[1] The shell of the mature animal is 6.9–9.1 mm in height, with a diameter of 13.4–17 mm, ear-shaped with rounded, rapidly expanding whorls, and with flattened spire and apex.

It is glossy and golden in colouration.

The animal is yellowish-cream with brown stripes and spots and tiny white flecks.

[1] The semislug is widespread in the lowlands of the island, as well as on the lower slopes of the southern mountains.