Across the world, Sagynbay (Сагынбай 
, Сагынбаи , Сагынбаы ) is quite a rare boy's first name. The first name Sagynbay is characteristic of Kyrgyzstan, where it is quite a common boy's name, Azerbaijan, where it is quite a rare boy's name, and Kazakhstan. Very seldom, Sagynbay is the last name as well as the forename.