Surname Винаяк (Vinayak 
, Vinaiak , Винаяк 
) , throughout the world, is quite a common last name. The family name Винаяк is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Oman, and Qatar, where it is a rare surname. Measured by absolute frequency, the name is most common in India, Kenya, and United Arab Emirates. Much more frequently, Винаяк is the forename as well as the last name.