Bulbophyllum sect. Ione is a section of the genus Bulbophyllum.
Species in this section have one to many flowers with 4 to 8 bracts on the peduncle and 4 pollina equal in size.
Plants from this section are found from India, Nepal, Bhutan, China, Myanmar, Laos, Thailand, Vietnam and Taiwan in montane forests.
Bulbophyllum section Ione comprises the following species: