Celta is Galician, Portuguese and Spanish for the Celts. It may also refer to:

• Certificate in English Language Teaching to Adults (CELTA), an English teaching certificate

• Celta (train), an international train service connecting Vigo and Porto

• Chevrolet Celta, a low cost supermini car produced by General Motors do Brasil

Celta de Vigo, a Spanish football club

• Celta de Vigo B, the reserve team of Celta de Vigo

• CD Vigo FS, a former futsal club based in Vigo, Spain

• Celta de Vigo Baloncesto, a Spanish women's basketball from Vigo

• Porco Celta, a Galician pig