Odoratus is a Latin adjective meaning "fragrant, perfumed" (feminine form Odorata, neuter form Odoratum), and may refer to:
- Aglaia odorata, a species of plant in the Meliaceae family
- Anthoxanthum odoratum, known as sweet vernal grass, holy grass, or buffalo grass
- Ascalapha odorata bears the common name Black Witch
- Cedrela odorata (Spanish cedar, Mexican cedar, Cigar-box cedar, Cedro-cheiroso)
- Chromolaena odorata, a shrub of the sunflower family native to North America
- Cyperus odoratus, a species of sedge known by the common names fragrant flatsedge and rusty flatsedge
- Henriettella odorata, a species of plant in the Melastomataceae family
- Hopea odorata, a species of plant in the Dipterocarpaceae family
- Hymenoxys odorata, a species of flowering plant in the daisy family known as bitter rubberweed and western bitterweed
- Lupinus odoratus, is a spring wildflower found in the central and western Mojave Desert in the southwestern United States
- Mallotus odoratus, a species of plant in the Euphorbiaceae family
- Mangifera odorata (also called Kuwini Mango, Saipan Mango, or Fragrant Mango) is a species of plant in the Anacardiaceae family
- Morrenia odorata (Latexplant, Strangler vine) is an ornamental plant in the Apocynaceae family, which is native to Brazil
- Nymphaea odorata, also known as the Fragrant Water Lily and Beaver Root, is a flower belonging to the genus Nymphaea
- Nymphaea odorata subsp. odorata, a subspecies of Nymphaea odorata that is found in the United States
- Nymphaea odorata subsp. tuberosa, a subspecies of Nymphaea odorata that is found in the eastern United States
- Odoratus, a genus of extinct fossil Brachiopod
- Oenothera odorata, a perennial plant belonging to the genus Oenothera and native to South America
- Polygonatum odoratum, commonly known as Angular Solomon's-seal or Scented Solomon's-seal, is a plant species of the genus Polygonatum
- Prunus odorata, a species of plant in the Rosaceae family
- Rondeletia odorata (the Fragrant Panama rose) is originally from Panama and Cuba
- Rubus odoratus (Purple-flowering Raspberry, Flowering Raspberry, or Virginia raspberry) is a species of Rubus, native to eastern North America
- Sternotherus odoratus or Stinkpot is a species of small turtle native to southeastern Canada and much of the Eastern United States
- Tephrosia odorata, a species of legume in the Fabaceae family
- Utricularia odorata, a medium-sized, probably perennial carnivorous plant that belongs to the genus Utricularia
- Viola odorata, a species of the genus Viola native to Europe and Asia, but has also been introduced to North America and Australasia