Cognomen Alacer (Alai 
, Alegre 
, Alacer 
) , all over the world, is a widespread surname. The last name Alacer is habitual in Argentina, where it is a common surname, Paraguay, where it is quite a common surname, and Guam (explore the name in all countries). In absolute terms, this name is the most popular in Argentina, Philippines, and Peru. Very seldom, Alacer is the forename as well as the last name.