Nicknames for Niall
4 nicknames, sorted by where they actually get used.
Office-safe
Nia
formal
Playground-friendly
Niy
casual
Niie
casual
Family nicknames
Niakins
endearment
Niall carries 4 common short forms — Nia, Niy, and Niie — drawn from its Irish-rooted roots. The list splits into 1 office-safe pick and 2 playground-friendly options so you can match the moment.