Surname לופיאן (Lopian 
, לופיאן 
, Luppian 
) , around the world, is a rare cognomen. The last name לופיאן is habitual in Israel, where it is a rare surname, Finland, and the United Kingdom. Measured by absolute frequency, it is commonest in Germany, the United States, and the United Kingdom. Very seldom, לופיאן is the forename as well as the last name.