Worldwide, Kaewsai (Kaewsai 
) is a very rare feminine given name. The first name Kaewsai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare feminine name. Predominantly, Kaewsai is the last name as well as the forename.
Aun, Amnuay, Aunnop, Aticha, Apinan, Apirom, Apiwit, Chalit, Bangon, Pawina, Prawat, Putana, Dolsak, Duenpen, Jariya, Narong, Nattha, Ekamol, Vaewadee, Orapin, Orawan, Wanpen, Areeya, Anuwat, Alison, Sophon, Aom, Anek, Aree, Chut, Krit, Suwat, Sopon, Alisa, Araya, Amorn, Mantana, Aswin, Pituk, Pipat, Jinda, Waree, Wasan, Yuree, Mintra, Sombat, Somsri, Somkid, Kamol, and Montree