Microdrillia patricia is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

[1] The small, claviform shell has a maximum length of 6 mm and a width of 2.1 mm.

The protoconch has 15–16 axial ribs on its penultimate whorl and 21 to 24 ribs on its last whorl.

On the base of the body whorl one can see 7 to 9 spiral lirae.

[2][3] This marine species occurs from the Gulf of Oman to continental shelf of Western Transkei, South Africa