Platystoma is a genus of flies (Diptera) belonging to the family Platystomatidae.

Platystoma species are small flies reaching a length of 4–10 millimeters.

The body is black speckled with small whitish or yellowish markings, while the eyes are usually red.

Species belonging to this genus are present in most of Europe, in the eastern Palearctic realm, in the Near East and in North Africa.

[4][5] The list below incorporates those names more recently upgraded to species, but leaves the remainder of the subspecies designated by Hennig as subspecies until their position can be rectified by revision.