Worldwide, Alcon (Alcon 
, Alcón 
) is a rare boy's first name. The forename Alcon is characteristic of Guatemala, where it is quite a rare boy's name, Bolivia, where it is a rare masculine name, and Philippines. More prevalently, Alcon is the last name as well as the forename.
Alcon is also a name for the fictitious and mythical characters: Alcon , the Athenian mythological character, son of Erechtheus king of Athens; Alcon , the son of Hippocoon and Alcon , the mythological Greek character, son of Ares/Mars.