Caesia micrantha (common name – pale grass-lily)[1] is a species of flowering plant in the subfamily Hemerocallidaceae native to Western Australia.

The leaves are 15 to 65 cm long, with the leaf blade being 3 to 10 mm wide, and the sheath sometimes persisting as fibres.

[2] It grows on many different soil types and is widespread in the south-west of Western Australia both on the ranges and the coastal plain from Albany to Geraldton.

[2] Under Western Australian conservation law, it is listed as "Not Threatened".

[1] In 1840, the species was first described by John Lindley[3][4] The specific epithet, micrantha is an adjective derived from the Greek, mikros ("small" or "little") and anthos ("flower") meaning "having small flowers", or "small-flowered".