Aporocidaris incerta is a species of sea urchin of the family Ctenocidaridae.

It is placed in the genus Aporocidaris and lives in the deep sea.

[1] This species lives around the Antarctic continent at depths down to about 300 m (1,000 ft).

[2] Aporocidaris incerta has a compressed test, the height of which is less than half its diameter, which is a maximum of 30 mm (1.2 in).

The primary spines are as long as the test is wide.