Thimbleweed is the common name of any of several plants with seed heads resembling a thimble.
Species called thimbleweed include: Rudbeckia laciniata Anemone cylindrica Anemone hupehensis Anemone nemorosa Anemone virginiana
Thimbleweed may also refer to: Thimbleweed Park, a 2017 video game by Ron Gilbert and Gary Winnick