Last name Saiba (Saiba 
, Сайба 
, Саиба ) , in the world, is a common cognomen. The surname Saiba is habitual in Azerbaijan, where it is quite a rare surname, Rwanda, where it is a rare surname, and Tanzania. Not in comparison with a country's population, it is commonest in India, Bangladesh, and Indonesia. Likewise, Saiba is the forename as well as the last name.