Elk-sedge

Elk-sedge may refer to:


 * Carex garberi, a species of sedge native to northern North America.
 * Carex geyeri, a species of sedge native to western North America from British Columbia to California to Colorado
 * Cladium mariscus, a species of flowering plant in the sedge family native to temperate Europe and Asia
 * Algiz or Eolh-secg (elk-sedge), a rune of the Elder Futhark and Futhorc runic alphabets