Hyposmocoma laysanensis is a species of moth of the family Cosmopterigidae. It is endemic to Laysan. The type locality is Guano Rock.
The wingspan is 5.2–7.7 mm.
External links New species of Hyposmocoma (Lepidoptera, Cosmopterigidae) from the remote Northwestern Hawaiian Islands of Laysan, Necker, and Nihoa