Last name สว่างทิตย์ (Sawangtit 
, สว่างทิตย์) , in all the world, is a very rare family name. The surname สว่างทิตย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สว่างทิตย์ is the forename as well as the last name.