Surname Virach (วิรัช 
, Virach 
) , all over the world, is a very rare family name. The cognomen Virach is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much more prevalently, Virach is the forename as well as the last name.
Bai, Sangdecha, Sithivaraporn, Suwanarat, Kusonchoey, Kwanthong, Predasawas, Rueanngoen, Lorjindakul, Lochindakul, Lotharakphong, Jongtavonpitak, Saengratanamanee, Simathamanand, Sooksomran, Chalalaivan, Prompradit, Phetchamli, Dechanupap, Naktongkul, Chalayondecha, Rattanakham, Maneratanakul, Wootipoom, Vienprasert, Eiamsataporn, Devi, Saeng, Singh, Athibvattanakorn, Perera, Poonuch, Footawekij, Utimit, Kietmetha, Pajaidee, Mongkolprasit, Pienwutikul, Limpholyan, Tadtong, Nopkhun, Hotravaisaya, Waengda, Udomsuk, Manaphan, Sodmeesri, Kamvicha, Tantivipa, Pienwuttikul, and Phongsathorn