How do you spell Leiah in French?

"Leiah" is not a typical French name, so there's no established French spelling. If you're looking for a French-sounding equivalent, you could consider:

* Léa: This is a common and beautiful French name that is similar to "Leiah."

* Léïa: This spelling is closer to the original name but still has a French feel.

Ultimately, the best spelling depends on your preference and how you want the name to sound.