Guayania
| Guayania | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Subfamily: | Asteroideae | 
| Tribe: | Eupatorieae | 
| Genus: | Guayania R.M.King & H.Rob.  | 
| Type species | |
| Eupatorium roupalifolium R.M.King & H.Rob.  | |
Guayania is a genus of South American flowering plants in the family Asteraceae.
Species include:
- Guayania bulbosa (Aristeg.) R.M.King & H.Rob.
 - Guayania cerasifolia (Sch.Bip. ex Baker) R.M.King & H.Rob.
 - Guayania crassicaulis (Steyerm.) R.M.King & H.Rob.
 - Guayania penninervata (Wurdack) R.M.King & H.Rob.
 - Guayania roupalifolia (B.L.Rob.) R.M.King & H.Rob.
 - Guayania yaviana (Lasser & Maguire) R.M.King & H.Rob.