* Leprechauns are mythical creatures: They exist in folklore and stories, not reality. As such, there's no established "leprechaun language."
* Stories vary: Different stories depict leprechauns in different ways. Some might speak English, others might use a language that's made up for the story.
* Irish folklore: Leprechauns are most closely associated with Irish folklore. It's possible they speak Irish Gaelic, but this isn't explicitly stated in most tales.
Fun Ideas:
* A made-up language: You could imagine a whimsical, rhyming language for leprechauns, full of magical words and sounds.
* A secret language: Some stories might suggest leprechauns have a hidden language that only they understand.
* Ordinary language: They might speak a common language like English or Irish Gaelic, but with a unique accent or slang.
Ultimately, the language a leprechaun speaks is up to the storyteller or reader to imagine!