Last name Wichianrat (Wichianrat 
) , across the world, is a rare cognomen. The surname Wichianrat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Wichianrat is the forename as well as the last name.
Suni, Juthamas, Thilarat, Thonthan, Tippawan, Nattanan, Witchaya, Wirapong, Saringkan, Surachate, Kiattisak, Poonkasem, Puangpannee, Thanyawat, Vatcharee, Wicharatt, Pattraporn, Puangphannee, Ritthikrai, Tullayaprawee, Duankaew, Khemjira, Kanyanit, Suchinan, Arun, Saran, Sajja, Jaran, Wanna, Pramoj, Ratana, Thanit, Narida, Natthathit, Warang, Roongdharma, Jongjit, Jintana, Thilarrat, Ekkapak, Ittidet, Wassana, Yingyot, Supranee, Suwanan, and Kitsadathorn