In the world, Greille (Grill 
, Greille 
, Grella 
) is a rare epicene first name. The first name Greille is habitual in the Democratic Republic of the Congo, where it is a rare female name, Romania, where it is a rare masculine name, and Italy, where it is a very rare mostly female, but uncommonly male name. Much more prevalently, Greille is the last name as well as the forename.