Family name Debye (Debye 
, 德拜 
, דביי 
) , in the world, is a very rare cognomen. The cognomen Debye is habitual in Germany, where it is a very rare surname, Netherlands, and the United States, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Germany, the United States, and India. Likewise, Debye is the forename as well as the last name.