Diuris striata is a poorly-known species of orchid that is endemic to New South Wales.

It has a two grass-like leaves and about four mauve flowers with dark purple streaks on the labellum.

The centre lobe is egg-shaped to heart-shaped and 6 mm (0.24 in) wide with dark purple streaks.

[2] Diuris striata was first formally described in 1944 by Herman Rupp and the description was published in his book The Orchids of New South Wales.

[3] Rupp noted "No specimens are known and the following brief description is quoted from Moore and Betche's Handbook: [Handbook of the flora of New South Wales : a description of the flowering plants and ferns indigenous to New South Wales][4] "Flowers lilac.