Family name ตะวันออก (East 
, Easten 
, ตะวันออก 
) , around the world, is a common last name. The surname ตะวันออก is habitual in Isle of Man, where it is quite a common surname, Jamaica, and the United Kingdom, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Very seldom, ตะวันออก is the forename as well as the last name.