How do you say leprechaun in Spanish?

Answer 1

Leprechaun is a Gaelic , Irish concept and myth. there is no Spanish equivalent, you might have diminutive of men- (Hombritos -and the adjective for Irish) but as stated, this is an Irish, not an Hispanic concept!

Answer 2

There is no specific word for "leprechaun" in Spanish.

"Duende" is "fairy," which is almost as close as it gets.

"Gnomo" is "gnome," which is also close.