A gentian is a plant that has terminal tubular flowers.
Gentian may also refer to:
- Gentian violet, an antifungal agent
- HMS Gentian (K90), a Royal Navy Flower-class corvette
- Tulip Gentian, a herbaceous annual
- Dwarf Gentian, Gentianella
- Gentian (spirit), a distilled alcoholic beverage
People with the given name Gentian:
- Gentian Hajdari (born 1975), Albanian football player
- Gentian Stojku (born 1974), Albanian football midfielder
- Saint Gentian (died 287), French Christian martyr