Pectinivalva commoni is a moth of the family Nepticulidae. It is found along the south-western coast of Western Australia. The wingspan is about 5.3 mm for males and 5.3-5.6 mm for females. The larvae feed on a Eucalyptus species, possibly Eucalyptus delegatensis. They mine the leaves of their host plant. The larval mines were collected in September and adults emerged during the following February.