Blastobasis ianella is a moth in the family Blastobasidae. It is found in Thailand.
The length of the forewings is 6.3–7 mm. The basal third of the forewings is pale brown intermixed with a few brownish-grey scales tipped with pale brown. The distal has brownish-grey scales tipped with pale brown, intermixed with a few pale brown scales. The hindwings are pale greyish brown.[1]
The species is named in honour of the then newly born Ian Edward Emanuel.