Cognomen Sigr (Seger 
, Sigur 
, Sejr 
) , in the world, is a common last name. The last name Sigr is habitual in Liechtenstein, where it is a common surname, Sweden, where it is quite a rare surname, and Israel. In absolute terms, it most frequently occurs in the United States, Indonesia, and Germany. Much less frequently, Sigr is the forename as well as the last name.