Radiata may refer to:

• Radiata, the radially symmetric animals of the Eumetazoa subkingdom
• Radiata, a synonym of the legume genus Medicago
• Radiata Stories, a 2005 action role-playing game for the PlayStation 2
• Corona radiata, in neuroanatomy, a white matter sheet that continues caudally as the internal capsule and rostrally as the centrum semiovale
• Corona radiata (embryology), a structure that surrounds an ovum or unfertilized egg cell, and consist of two or three strata (layers) of follicular cells

As a species name

• Actiniopteris radiata, a widely distributed fern occurring throughout Africa and adjacent islands, Madagascar, Arabia, Iran, Afghanistan, Nepal, India, Sri Lanka, Burma and Australia
• Astropyga radiata, a sea urchin found in the Indo-Pacific region
• Cellana radiata, a species of predatory sea snail
• Ecklonia radiata a species of kelp found in the Canary Islands, the Cape Verde Islands, Madagascar, Mauritania, Senegal, South Africa, Oman, southern Australia, Lord Howe Island, and New Zealand
• Eucalyptus radiata, a medium to tall tree to 30 m high
• Habenaria radiata, a species of orchid endemic to China, Japan, Korea and Russia
• Hydrangea radiata, a deciduous shrub up to 3 m tall naturally occurring in the southern Appalachians of the United States
• Lycoris radiata, a bulbous perennial in the amaryllis family
• Macaca radiata, or the bonnet macaque, a macaque endemic to southern India
• Neriene radiata, or the filmy dome spider, a sheet weaver
• Pinctada radiata, a species of pearl oyster distributed throughout the Indo-Pacific
• Pinus radiata, a species of pine native to the Central Coast of California
• Pterois radiata, a carnivorous, ray-finned fish with venomous spines that lives in the Indian and western Pacific oceans
• Temnora radiata, a moth of the family Sphingidae found from West Africa to Angola
• Utricularia radiata, a medium-sized suspended aquatic carnivorous plant