Globally, Sayin (Sayin 
, Сайин 
, Саїн ) is quite a rare dominantly female, but infrequently masculine forename. The forename Sayin is characteristic of India, where it is a rare primarily female, but scarcely masculine name, Uzbekistan, where it is a rare masculine name, and Turkey, where it is a rare mostly masculine, but uncommonly girly name. More prevalently, Sayin is the last name as well as the forename.