Nicknames for Ottomar
10 nicknames, sorted by where they actually get used.
Office-safe
Ott
formal
Otto
formal
Mar
formal
Playground-friendly
Ottoy
casual
Ottoie
casual
Mary
casual
Marie
casual
Oty
casual
Otie
casual
Family nicknames
Ottkins
endearment
Ottomar carries 10 common short forms — Ott, Otto, and Ottoy. The list splits into 3 office-safe picks and 6 playground-friendly options so you can match the moment.