[ 2 syll. ar-nau-(l)(t), arn-a-ult ] The baby boy name Arnault is pronounced as AARNOW †. Arnault is used chiefly in French and it is derived from Germanic origins. Arnault is a variant of the name Arnold (Dutch, English, and German).
Arnault is not popular as a baby name for boys. It is not listed within the top 1000 names.
† English pronunciation for Arnault: AA as in "odd (AA.D)" ; R as in "race (R.EY.S)" ; N as in "knee (N.IY)" ; OW as in "oak (OW.K)"