Cognomen Αλεξ (Αλεξ 
) , worldwide, is a very rare surname. The family name Αλεξ is characteristic of Southern Europe, particularly Greece, where it is a rare surname. More prevalently, Αλεξ is the forename as well as the last name.
Χτζ, Ναν, Θρυλος, Προ, Παλοκα, Τσου, Γκρεκας, Σπηλιοπουλος, Γρηγοριαδης, Πασχος, Σεβαστίδης, Μαυρικος, Μπαρουτας, Ανδρος, and Νικολας