Megacraspedus sagittifera is a moth of the family Gelechiidae.

It is found in Australia, where it has been recorded from New South Wales.

The plical stigma is distinct, blackish and sometimes with the first discal obliquely beyond it.

There is an elongate blackish dot below the usual position of the second discal stigma.

This article on a moth of the genus Megacraspedus is a stub.