Ardozyga tetraploa is a species of moth in the family Gelechiidae.

It is found in Australia, where it has been recorded from Victoria.

The forewings are dark fuscous with a very broad ochreous-white transverse fascia extending from near the base to one-third and with an ochreous-white costal dot beyond the middle, as well as a rather narrow ochreous-white inwards-curved fascia from two-thirds of the costa to before the tornus.

The hindwings are grey, darker towards apex.

This article on a moth of the genus Ardozyga is a stub.