Last name Агар (Agar 
, Агар 
, Ağar 
) , in the entire world, is a common cognomen. The last name Агар is habitual in Turkey, where it is quite a common surname, Estonia, where it is quite a rare surname, and Ireland. Measured by absolute frequency, this name is the most popular in Turkey, the United Kingdom, and Philippines. Also, Агар is the forename as well as the last name.