Family name Роч (Roch 
, Роч 
, Ruotsi 
) , across the world, is a common surname. The last name Роч is habitual in Switzerland, where it is quite a common surname, France, where it is quite a rare surname, and Poland. In absolute terms, it is commonest in France, Germany, and Poland. Also, Роч is the forename as well as the last name.