Surname Ячим (Jachim 
, Iachim 
, Yachim 
) , in the entire world, is quite a rare last name. The family name Ячим is characteristic of Moldova, where it is quite a common surname, Czechia, where it is quite a rare surname, and Iceland. In absolute terms, the name is most common in Moldova, the United States, and Czechia. Likewise, Ячим is the forename as well as the last name.