Last name Сайина (Sajina 
, Sayina 
, Saiina ) , in the world, is quite a rare family name. The last name Сайина is habitual in Western Asia, particularly Qatar, where it is a rare surname, Oman, and United Arab Emirates. Measured by absolute frequency, it is commonest in India, United Arab Emirates, and Saudi Arabia. Predominantly, Сайина is the forename as well as the last name.