Family name Эган (Egon 
, Egan 
, Эган 
) , all around the world, is a common surname. The cognomen Эган is habitual in Ireland, where it is a common surname, Liechtenstein, where it is quite a common surname, and Australia. Measured by absolute frequency, this name is the most popular in the United States, Ireland, and the United Kingdom. Likewise, Эган is the forename as well as the last name.