Common Variations:
* Victoria (The most common spelling)
* Viktoria (Common in German-speaking countries)
* Vitoria (Common in Spanish-speaking countries)
* Victòria (Common in Catalan-speaking countries)
Less Common Variations:
* Vicktoria
* Vitoriaa
* Victooria
* Viktoriaa
It's important to note that the variations with double "aa" at the end are generally not considered correct spellings, but they may be used for stylistic purposes.
Ultimately, the "correct" spelling depends on the language and cultural context. If you are unsure, it is always best to use the standard spelling Victoria.