Last name リバ (Riba 
, リバ 
) , globally, is a common family name. The family name リバ is characteristic of Andorra, where it is quite a common surname, Isle of Man, and Latvia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in India, South Africa, and Spain. Very seldom, リバ is the forename as well as the last name.