Nicknames for Ruban
4 nicknames, sorted by where they actually get used.
Office-safe
Rub
formal
Playground-friendly
Ruy
casual
Ruie
casual
Family nicknames
Rubkins
endearment
Ruban carries 4 common short forms — Rub, Ruy, and Ruie. The list splits into 1 office-safe pick and 2 playground-friendly options so you can match the moment.