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In all the world, Wiriyachai (Wiriyachai
) is an extremely rare masculine first name. Much less frequently, Wiriyachai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wiriyachai | United States, Thailand |
Roopkumdee, Chanawong, Pirakitikulr, Nikhomchaikul, and Jittawattanarat