Carex harfordii
{{Short description|Species of grass-like plant}}
{{Speciesbox
| image =
| genus = Carex
| display_parents = 2
| parent = Carex sect. Ovales
| species = harfordii
| authority = Mack.
}}
Carex harfordii, or Harford's sedge,{{PLANTS|id=CAHA4|taxon=Carex harfordii|accessdate=24 September 2018}} is a species of sedge that was first described by Kenneth Mackenzie in 1917.{{cite web|url=http://www.theplantlist.org/tpl/record/kew-227216|title=Carex harfordii|publisher=The Plant List|year=2010|accessdate=6 December 2014}} It is native to California.