Sporadanthus rivularis is a sedge-like herb in the Restionaceae family, native to Western Australia.

[1] It is a spreading perennial growing from rhizomes to heights of from 1 to 1.2 m, on black sands and clay along creek edges.

[3] This species was first described by Barbara Briggs and Lawrie Johnson in 2012.

[4][5] The specific epithet, rivularis, derives from Latin and means "of a brook or stream" referring to the species' occurrence near rivers and creeks.

[5] It is found in the IBRA Regions of Jarrah Forest, Swan Coastal Plain, and Warren.