Ephysteris subdiminutella is a moth of the family Gelechiidae.

It is a widely distributed species, it is known from northern and southern Africa, from Egypt to South Africa, Australia, Palestine, India, Pakistan and Afghanistan.

It is also found in the Galápagos Islands.

[2][3] Known host plants of the larvae of this species include Balanitaceae (Balanites aegyptiaca), Zygophyllaceae (Zygophyllum album) and Rhamnaceae (Zizyphus sp.

This article on a moth of the tribe Gnorimoschemini is a stub.