Fleeceflower is a common name for genera and species in the subfamily Polygonoideae, and may refer to:
Bistorta affinis, synonym Persicaria affinis Fallopia Koenigia alpina Koenigia × fennica, particularly the cultivar 'Johanneswolke' called "Persicaria polymorpha" in horticulture Persicaria Polygonum Reynoutria japonica