"Homoranthus bebo" was first formally described in 2011 by Lachlan Copeland, Lyndley Craven and Jeremy Bruhl from a specimen collected in the Bebo State forest (now the Dthinna Dthinnawan Nature Reserve) in 2001 and the description was published in "Australian Systematic Botany".The specific epithet ("bebo") refers to the name of the state forest where the type specimen was collected.