Jessamine may refer to the following plant genera and species:
- Cestrum species, in particular
- Cestrum nocturnum, Night-blooming Jessamine
- Gardenia jasminoides, also known as Cape Jessamine
- Gelsemium
- Gelsemium sempervirens, also known as Yellow Jessamine or Carolina Jessamine, the state flower of North Carolina
- Jasminum (jasmines)
- Murraya paniculata, a species of Murraya, commonly known as Orange Jessamine