Nicknames for Niklaus
3 nicknames, sorted by where they actually get used.
Office-safe
Nik
formal
Niko
formal
Playground-friendly
Klaus
casual
Niklaus carries 3 documented short forms — Nik, Niko, and Klaus — drawn from its German-origin roots. The list splits into 2 office-safe picks and 1 playground-friendly option so you can match the moment.