Chinese knotweed is a common name for several plants and may refer to:

• Koenigia weyrichii, native to east Asia
• Persicaria chinensis, widespread across China, Japan, India, Indonesia, Malaysia, and Vietnam
• Reynoutria multiflora, native to central and southern China

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.