Patersonia spirafolia (common name - spiral-leaved Patersonia)[1] is a species of plant in the iris family Iridaceae and is endemic to Western Australia.

The leaves are linear (20 cm by 5 mm) and spirally twisted.

The reddish-green scape is up to 25 cm long, 1-2 mm wide.

The flowers have three broad, mauve sepals and three very small, upright, blue-violet petals.

[5] It is found to the south west of Badgingarra,[5] growing on sand over laterite.