Pieris may refer to:
Organisms
Pieris (plant), the andromeda or fetterbush, a plant genus in the family Ericaceae Pieris (butterfly), the garden whites, a butterfly genus in the family Pieridae Pieris, a synonym of the genus Pierella in the butterfly family Nymphalidae
Places Pieris, Italy, a hamlet of San Canzian d'Isonzo in Italy Pieris, a municipal unit and a historic region in Greece Pieris, an ancient name of the Greek settlement Kondariotissa Pieres, an ancient Thracian tribe living in the Pieria region Piereis, a municipal unit in Kavala regional unit, Greece
People Marie Pieris, Lady Seton, French-born Scottish courtier Mevan Pieris (born 1946), Sri Lankan former cricket player Paules Edward Pieris Deraniyagala (1900–1976), a Sri Lankan paleontologist, zoologist and artist Aloysius Pieris (1934–2026), Jesuit Priest and director of the Tulana Center in Sri Lanka
Other uses Pieris (mythology), a figure in Greek mythology
See also Pieris Kurundu, a type 7 cinnamon of the Cinnamomum verum variety Peiris, a surname Pierian Spring, the metaphorical source of knowledge about art and science