Surname Thongklom (Thongklom 
) , worldwide, is a rare last name. The family name Thongklom is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Thongklom is the forename as well as the last name.
Thon, Chomnong, Katareeya, Kadkanog, Klakrang, Piyanoot, Phatyongyos, Siriroek, Juthamat, Sasiwimon, Suttipong, Banditwong, Prachyanan, Prawanrat, Waroonyupa, Thongpan, Thoetsak, Theotsak, Jirawat, Sumit, Orada, Sukhon, Somjai, Chusri, Komsan, Thanat, Thanee, Namfon, Wichit, Somboon, Athikom, Athitida, Pranaya, Punyisa, Benchaporn, and Kotchaphorn