Last name Petchanok (Petchanok 
) , in all the world, is an extremely rare family name. The surname Petchanok is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Petchanok is the forename as well as the last name.
Panyai, Itrong, Kongdum, Ditracha, Jaiboon, Nhuthong, Sukpanpradid, Suwanteep, Laksanajan, Suwannateep, and Khammungkun