Last name Hariette (Hariette 
) , throughout the world, is a rare surname. The surname Hariette is characteristic of Cameroon, where it is a rare surname, Honduras, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Cameroon, Nigeria, and the United States. More frequently, Hariette is the forename as well as the last name.