Alastar merkilegu heiti: Gaum, Virk, Örlátur, Vingjarnlegur, Hæfur. Fá Alastar merking nafns.
Alastar Uppruni fornafns. Irish form of Alexander. Fá Alastar Uppruni fornafns.
Samheiti fyrir Alastar í mismunandi löndum og tungumálum: Àlex, Aca, Ace, Aco, Al, Alasdair, Alastair, 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, Iskender, 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. Fá Alastar á öðrum tungumálum.
Algengustu nöfnin með eftirnafninu Yorgen-onnes: Alexandra. Fá Nöfn sem fara með Yorgen-onnes.