Worldwide, إيزاك (Izak 
, إيزاك) is a common male first name. The first name إيزاك is habitual in South Africa, where it is quite a common masculine name, Croatia, where it is quite a rare male name, and Algeria, where it is quite a rare predominantly masculine, but very seldom feminine name. Not in comparison with a country's population, it most frequently occurs in South Africa, Indonesia, and Algeria. Very seldom, إيزاك is the last name as well as the forename.