I would like to know some nicknames for the name "Wiktoria"
Wiki... but it's a modern nickname used by teens. No other nicknames.
2) what other polish nicknames are used for the name "Elzbieta"
Ela
1) if "Lisinka" is a polish nickname of the name "Elzbieta" or if this is only the russian form.
No such thing as Lisinka is Polish.