Family name Kaewsong (Kaewsong 
) , worldwide, is a rare cognomen. The cognomen Kaewsong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Masa, Thanitcha, Pharuehat, Patcharee, Kanokporn, Suttipong, Teerasan, Thawalida, Pawapong, Kasemsak, Maneerut, Umaporn, Tanarat, Thammarak, Jutarat, Kunniga, Ketkaew, Katarat, Bunchorn, Chutima, Somporn, Supanee, Raejee, Apidet, Arerat, Somsri, Niwat, Rattana, and Theerasan