Cognomen Saikaeo (Saikaeo 
, ทรายแก้ว) , in the world, is a rare surname. The last name Saikaeo is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Saikaeo is the forename as well as the last name.
Chan, Pondthiwa, Ruttichai, Rutthichai, Thepmaitri, Treephop, Yongyuth, Chanakarn, Chiraporn, Photchana, Narawadee, Nanthawut, Nuttapong, Ngamwilai, Chanthanin, Phongsakon, Panrawat, Phongsakron, Chinnipa, Nongyao, Sunni, Chain, Kanya, Dokoo, Sunisa, Suphin, Ananya, Apisit, Apisip, Phensi, Chaiwat, Pawntiwa, Phaisan, Narison, Narusorn, Wannisa, and Phatthanakon