Family name אייזק (Isaac 
, אייזק 
) , in the entire world, is a widespread last name. The last name אייזק is habitual in Israel, where it is a widespread surname, Antigua and Barbuda, where it is a common surname, and Saint Kitts and Nevis (explore the name in all countries). In absolute terms, it is commonest in Nigeria, Mexico, and Ghana. Also, אייזק is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isaac | Kenya, United States, Ghana, Mexico, Nigeria |
| אייזק | Israel |