Family name Зерах (Zerach 
, Зерах 
) , in the entire world, is a very rare last name. The cognomen Зерах is habitual in Israel, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and the United States. Measured by absolute frequency, the name is most common in China, Israel, and the United States. More frequently, Зерах is the forename as well as the last name.