Chia or CHIA may refer to:

Plants

• Amaranthus hypochondriacus

• Mesosphaerum suaveolens, an herb also known as pignut or chain

The following species of Salvia:

• Salvia lavanduloides

• Salvia columbariae, a herbaceous annual plant that is commonly called chia, chia sage, golden chia, or desage

• Salvia hispanica, a herbaceous annual plant commonly called chia, used in Chia Pet products

• Salvia longispicata

• Salvia polystachia, a herbaceous perennial plant native to Mexico, Guatemala and Panama

• Salvia tiliifolia, a herbaceous annual commonly called lindenleaf sage or Tarahumara chia

Plant products

• Chia seed, edible seeds of one of the chia plant species

Places

• Chía, Aragon, a municipality in Spain

• Chía, Cundinamarca, a town and municipality in Colombia

• Chia (Sardinia), a coastal area and village in Sardinia, Italy

• , a frazione in Soriano nel Cimino, central Italy

Personal names

Chia (surname), a surname in various cultures

• Xie (surname), a Chinese surname often spelled Chia in Singapore and Malaysia

• Jia (surname), a Chinese surname often spelled Chia in Taiwan or in the early 20th century

  A Spanish variant of the name Lucia

Other uses

• Chia (cryptocurrency), a proof-of-space-and-time (Storage provided over amount of time) cryptocurrency

• Chía (goddess), a deity in Muisca mythology

• Chia Pet, American figurines

• ChIA-PET, a molecular biological technique

• "Chia", a song by Four Tet from the album Rounds

• Chia Black Dragon, a series of dark fantasy novels by Stephen Marley

• Masala chai, called chia in Nepal