Hyposmocoma sideroxyloni is a species of moth of the family Cosmopterigidae. It was first described by Otto Herman Swezey in 1932. It is endemic to the Hawaiian island of Oahu.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .