Bulbophyllum lobbii subsp. siamense is a species in the Bulbophyllum genus. This name is accepted name for the species in the family Orchidaceae subfamily Epidendroideae, tribe Dendrobieae, subtribe Dendrobiinae, . It is in the section: Sestochilos . This species is found in Arunachal Pradesh to Indo-China, Borneo (Sabah), Philippines (Luzon).