Carex autumnalis
{{Short description|Species of grass-like plant}}
{{Speciesbox
| image=Carex autumnalis oonakirisg04.jpg
| genus=Carex
| species=autumnalis
| authority=Ohwi{{r|powo}}
}}
Carex autumnalis is a species of flowering plant in the sedge family, Cyperaceae.{{r|powo}} It was first formally named by Jisaburo Ohwi in 1930.{{r|ipni}} Carex autumnalis is native to Japan and mainland eastern Asia, from southeastern China to North Korea.{{r|powo}} In China it grows in shady ravines.{{r|foc}}