Rousseau \ro(us)-seau\ as a boy's name is of Old French origin, and the meaning of Rousseau is "little red-haired one". Related to Russell. Jean-Jacques Rousseau was an 18th-century French philosopher whose writings influenced the French and American Revolutions.

Rousseau has 2 variant forms: Roussell and Russo.

Baby names that sound like Rousseau are Rosse, Ross and Russ.