The boy's name Isak \i-sak\ is a variant of Isaac.
The baby name Isak sounds like Izak, Isac and Isaak. Other similar baby names are Izsak, Isa and Isam.
Isak is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Isak. Click here to compare Isak with related baby names.