Tonneau (disambiguation)
Tonneau ( French literally for "barrel") means:
- Tonneau , a French measure of volume for dry goods and liquids.
 - Tonneau (automobile type) , a body type or a fixed or removable body part for passengers
 - Tonneau (wagon) , a two-wheeled carriage with rear entry for passengers
 - Tonneau (watch shape) , a shape of a watch case
 
See also:
- Tonneau Cover , a weather protection made of leather, textile or hard plastic for open cars and commercial vehicles
 - Tonneau lamp , lighting for carriages and automobiles
 - Tonneau windshield , an additional windshield for the rear passengers in open automobiles