Platyja umminia is a species of moth in the family Noctuidae first described by Pieter Cramer in 1780.

It is found from the Indo-Australian tropics of China, Japan, India, Sri Lanka, Myanmar to New Guinea and Queensland.

Mid and hindleg with tufts of very long hair from the femur-tibial joint.

There is a postmedial crenulate line, highly excurved beyond the cell and then bent inwards to below middle of cell above two dark-edged marks, which in the female are filled in with ochreous, chestnut or white and with some chestnut rings or spots.

[3] Adults and caterpillars are known to feed on soursop and other Annona species.