Arnault
Arnault may refer to:
- Antoine-Vincent Arnault (1766–1834), French dramatist and poet
- Bernard Arnault (born 1949), French businessman
- Antoine Arnault (born 1977), his son, a French businessman
- Delphine Arnault (born 1975), his daughter, a French businesswoman
- Frédéric Arnault (born 1995), his son, a French businessman
- Hélène Mercier-Arnault (born 1960), his wife, a Canadian pianist
- Jean Arnault (born 1951), French diplomat
- Jean-Claude Arnault (born 1946), French-Swedish photographer and convicted sex offender