Family name Ранк (Rank 
, Ranque 
, Ранк 
) , in all the world, is a common surname. The last name Ранк is habitual in Estonia, where it is quite a common surname, Germany, where it is quite a rare surname, and El Salvador. In absolute terms, this name is the most popular in Germany, Philippines, and the United States. Much less frequently, Ранк is the forename as well as the last name.