Surname Gaek (Gaek 
, Гаек 
, Гаєк ) , globally, is a rare cognomen. The cognomen Gaek is habitual in Taiwan, where it is a rare surname, Belarus, and Russia, where it is a very rare surname. In absolute terms, it is commonest in Indonesia, Russia, and Taiwan. Much less frequently, Gaek is the forename as well as the last name.