(plural sweetleaves or sweetleafs)
- Any plant of the genus Stevia, from which stevia is extracted.
- Sauropus androgynus, a plant of the family Phyllanthaceae whose leaves may be used as a potherb.
- Symplocos tinctoria, an evergreen shrub or small tree in the southeastern United States.
- Monarda fistulosa, wild bergamot, a medicinal and ornamental herb.
- (slang) Cannabis.