Tar spot may refer to:
- Phyllachora maydis, a fungus species that cause tar spot disease of maize
- Rhytisma acerinum, a fungus species that causes tar spot disease of maples
This page is an index of articles on fungus 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.