Last name Virak (អ៊ូ 
, Virak 
, Оу 
) , around the globe, is a common cognomen. The family name Virak is characteristic of Cambodia, where it is a common surname, Estonia, where it is quite a rare surname, and Oman. Not in comparison with a country's population, it most frequently occurs in Cambodia, Pakistan, and India. Very seldom, Virak is the forename as well as the last name.