Enwau cyfystyr ar gyfer Iskender mewn gwahanol wledydd ac ieithoedd: Àlex, Aca, Ace, Aco, Al, Alasdair, Alastair, Alastar, Ale, Alec, Aleĉjo, Alejandro, Aleks, Aleksandar, Aleksander, Aleksandr, Aleksandras, Aleksandre, Aleksandro, Aleksandrs, Aleksanteri, Aleš, Alesander, Alessandro, Alex, Alexander, Alexandr, Alexandre, Alexandros, Alexandru, Aliaksandr, Alistair, Alister, Ally, Eskandar, Iskandar, Lex, Olek, Oleksander, Oleksandr, Oles, Sacha, Samppa, Sander, Sandi, Sándor, Sandro, Sandu, Sandy, Santeri, Santtu, Sanya, Sanyi, Saša, Sascha, Sasha, Sasho, Sašo, Sawney, Sender, Shura, Sikandar, Skender, Xande, Xander, Xandinho, Zander. Cael Iskender mewn ieithoedd eraill.
Mae'r rhan fwyaf o'r enwau cyffredin gyda cyfenw Gloria: Florencio, Gloria, Gabrielle Faith, Mallory, Noumie P. Gloria. Cael Enwau sy'n mynd gyda Gloria.
