Orba may refer to:

Orba, Alicante, a town in eastern Spain Orba (river), a torrential stream in northern Italy Orba (Irish mythology), a High King of Ireland Orba (satellite), also known as X-2, was intended to be the first satellite launched by a British rocket The New Order regime of Indonesia, commonly known as Orba Orba (instrument), an electronic musical instrument

See also Orbe (disambiguation)