Juncus ranarius

{{Short description|Species of rush}}

{{Speciesbox

| image = Juncus ranarius.jpeg

| genus = Juncus

| species = ranarius

| authority = Songeon & E.P.Perrier

| synonyms = Juncus nastanthus V.I.Krecz. & Gontsch.

}}

Juncus ranarius is a species of flowering plant belonging to the rush family Juncaceae.{{cite web |title=Juncus ranarius Songeon & E.P.Perrier {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:443410-1 |website=Plants of the World Online |access-date=14 February 2021 |language=en}}

Its native range is Greenland, Subarctic and Temperate Eurasia, Northwestern Africa.