Nicknames for Nikolaus
4 nicknames, sorted by where they actually get used.
Office-safe
Nik
formal
Nick
formal
Playground-friendly
Nikki
casual
Klaus
casual
Nikolaus carries 4 documented short forms — Nik, Nick, and Nikki — drawn from its German-origin roots. The list splits into 2 office-safe picks and 2 playground-friendly options so you can match the moment.