Sasha is a nickname. It's the Russian nickname for Alexander.
Sasha Wordlaw goes by Sasha.
Sasha Kolos goes by Sasha, and Kolos.
Aleksandra Sasha Kozlov goes by Sasha.
Sasha Anapolle goes by Squasha.
Sasha Czack goes by Stitch.
Sasha Rionda goes by Guera, and Sashi.
Sasha Azevedo goes by Sassy, and Sash.
Sasha Rajic goes by Sasha.
Sagine goes by Sasha, and Fofo.
Aleksandr Khanzhonkov went by Sasha.
Aleksandr Akulov goes by Sasha.
Aleksandra Chernova goes by Sasha.