Couteau Julienne also called Couteau a Julienne is a French term referring to a kitchen utensil, a special kind of knife which is used to cut food in Julienne way. Moreover, Couteau Julienne is a French-made knife used especially for cutting vegetables into Julienne which is often use for soups, for decorating dishes and salads.

Couteau is a French term for "knife" as in Couteau économe (potato peeler) and Couteau à découpe (carving knife).

Couteau also refers to "razor shell".