Surname Chantrapa (Chantrapa 
) , across the world, is an extremely rare cognomen. Much more frequently, Chantrapa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chantrapa | United States, Thailand |
Bunyapen, Chanboon, Tungjiratthitikan, Khuhaprema, Putimanitpong, Chuanprasit, Praseutsak, and Chittasingh