Nicknames for Rainbow
10 nicknames, sorted by where they actually get used.
Office-safe
Rain
formal
Bow
formal
Playground-friendly
Rai
casual
Rainy
casual
Rainie
casual
Bowy
casual
Bowie
casual
Ray
casual
Raie
casual
Family nicknames
Raikins
endearment
Rainbow carries 10 common short forms — Rai, Rain, and Rainy. The list splits into 2 office-safe picks and 7 playground-friendly options so you can match the moment.