Common variations:
* Oliviya
* Oliwia
* Olivie
* Livia (more common as a separate name, but a shortened version of Olivia)
Less common variations:
* Olyvia
* Olivya
* Olivyah
* Olivea
Creative variations:
* Oliv (shortened, more modern)
* Oly (shortened, more modern)
* Liv (shortened, more modern)
It's important to note that some of these variations are more popular in certain countries or cultures.