فيكتور this is vector in Arabic

I'd go for فيكتور. فكتور isn't wrong either, but when I checked online, I found فيكتور to be the standard way of writing this name.

Victor = فيكتور

In Arabic it written "فيكتور" However, there is another none standard way "ڤيكتور" here ڤ means V. You can see this letter ڤ used in some products names like seven up "سڤن اب". Another thing to consider in some North African Arabic countries they use it to mean "G"