Couch grass, as a vernacular common name, may refer to:

• Cynodon dactylon, known as couch grass in Australia and South Africa, often planted as a turf grass
• Elymus repens, known as couch grass in the United Kingdom and North America, often considered to be a weed
• Sporobolus virginicus, a perennial grass native to the southeastern United States that is often used as a lawn grass in warmer climates.
• Paspalum vaginatum, a perennial grass native to coastal areas in the Americas that is often used as a turf grass in salt-tolerant landscapes.

Index of plants with the same common name

This page is an index of articles on plant species (or higher taxonomic groups) with the same common name (vernacular name).
If an internal link led you here, you may wish to edit the linking article so that it links directly to the intended article.