In the world, ทรายแก้ว (Saikaew 
, Saikeo 
, Saikaeo ) is a very rare largely feminine, but seldom masculine forename. The first name ทรายแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly girly, but infrequently masculine name. More frequently, ทรายแก้ว is the last name as well as the forename.