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

• The flowering terrestrial plant Achillea millefolium (known commonly as yarrow)
  • Various species of the genus Achillea (yarrows or milfoils)
• The aquatic plants in the genus Myriophyllum (commonly referred to as water milfoil and other variations including the word milfoil)

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.