Phalangonyx mirzayani is a species of beetle of the family Scarabaeidae. It is found in Iran.
Adults reach a length of about 9âÂÂ11.3 mm. They have a parallel to narrowly ovate, shiny, yellowish-brown body, with the outer margin of the clypeus narrowly blackened, and with yellow antennae. The anterior half of the pronotal sides and elytra are thickly spiny, while the margins of the clypeus and the remaining part of the pronotal and elytral margins bristly ciliate.