Acanthophila beljaevi is a moth in the family Gelechiidae. It is found in the Russian Far East, where it is known only from the southern part of Primorsky Krai.
The wingspan is 12âÂÂ13 mm. The pattern of the forewings is similar to Acanthophila kuznetzovi. The hindwings are grey.
The species is named for Dr. of the Institute of Biology and Pedology in Vladivostok, who collected the type series.