Alcyna ocellata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

[1][2] The shell grows to a length of 2 mm.

They are pale crimson, the last encircled by ocellated spots.

The columella terminates in a prominent acute denticle.

[3] This marine shell occurs off Japan, New Caledonia and Hawaii.