Worldwide, Steyner (Steyner , Стеинер ) is a very rare boy's first name. More prevalently, Steyner is the last name as well as the forename.
Стейнер, Стеынер, and Стэйнер
, Стеинер 
) is a very rare boy's first name. More prevalently, Steyner is the last name as well as the forename.