Surname Steyart (Стеыарт 
, Steyart 
) , around the world, is a very rare last name. The last name Steyart is habitual in Bulgaria, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Steyart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Стеыарт | Russia |
| Steyart | United Kingdom, United States, Bulgaria |