US Popularity Rank: 5613

Origin: German

Meaning: Judgment warrior

Rainier is a masculine name of German origin, meaning “advice warrior.” It is a variation of the Anglo-Saxon name Rainer, which is derived from the German Raginheri from ragin and heri, meaning “advice” and “army,” respectively. This name offers legions of commanding variations, including Rayner, Renier, and Rainer, which share the same meanings. Rainier exudes authority and wisdom, characteristics that will undoubtedly encourage a natural leader in your little warrior.