Jarreau (pronounced Jah Row) is an unincorporated community in the 7th Ward of Pointe Coupee Parish, Louisiana, United States.

It is situated on the southern end of this ox-bow lake, in an area known as "The Island".

The Jarreau Post Office (ZIP code 70749) is located at 5341 Boulevard D' Isle.

Several local businesses (including Parrot's Bar and Horseshoe Auto Parts) were featured in scenes in the Billy Bob Thornton film "The Badge" (2002).

The area's first post office was opened in July, 1912, and operated out of a general store owned by Mr. Jarreau.