Cognomen 洛格 (Loge 
, 洛格 
, Logue 
) , in the entire world, is a common surname. The cognomen 洛格 is characteristic of Ireland, where it is quite a common surname, Belgium, where it is quite a rare surname, and the United Kingdom. In absolute terms, it is commonest in the United States, the United Kingdom, and Egypt. Much less frequently, 洛格 is the forename as well as the last name.