Across the world, Kongsub (Kongsub 
) is an extremely rare unknown gender forename. Much more frequently, Kongsub is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kongsub | United States, Thailand |
Athip, Thanaput, Naruemol, Natthisa, Nattawan, Nuttacha, Nualphan, Watchree, Jurairat, Yaowaluk, Thanapoom, Thanaboon, Niratchada, Wilasinee, Wirasinee, Ketsaraporn, Prasertsak, Siraprapa, Pornprapai, Piyapong, Kritsana, Thana, Mayura, Rujira, Thunva, Wasita, Yanisa, Siriluk, Pramikar, Sirawan, Rinlada, Nopphon, Wannapa, Wannisa, Wannida, Yuttana, Kamonwan, Sukanda, and Saranyapong