Barbarossa is a plasticine-shaping German-style board game for 3 to 6 players, designed by Klaus Teuber who based it off The Riddle-Master trilogy by Patricia A. McKillip, it was published in 1988 by Kosmos in German and by Rio Grande Games in English. Barbarossa won the 1988 Spiel des Jahres award.

Plasticine is a putty-like modelling material made from calcium salts, petroleum jelly and aliphatic acids. Though originally a brand name for the British version of the product, it is now applied generically in English as a product category to other formulations.