Austropusilla hilum is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

(Original description by Hedley) The minute shell is acicular and thin.

The sculpture consists of fine spiral grooves which become more crowded anteriorly.

The aperture is long and narrow, suddenly contracted anteriorly.

[2] This marine species is endemic to Australia and occurs off New South Wales and Tasmania and Victoria.