Elachista cretula is a moth species in the family Elachistidae. It was described by Lauri Kaila in 2011. It is found in Kazakhstan and Turkmenistan.

The wingspan is 10.5–11.5 mm.On species related to Elachista pollutella Duponchel (Lepidoptera, Elachistidae), with descriptions of four new Palaearctic species

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