Other substancial international design competitions:

 

To learn more about a particular Challenge, checkout the url.

Animation CompetitionArchitectural CompetitionArts and Crafts CompetitionBlue Services Competition
Brown Products CompetitionCute Stuff CompetitionChairs CompetitionCommunication Competition
Student CompetitionCulinary CompetitionProduct CompetitionGood Product Competition
Fashion CompetitionDigital Products CompetitionEngineering CompetitionFabric Pattern Competition
Hotel CompetitionHotels CompetitionAbstract Idea CompetitionHonorable Competition
Arts and Crafts CompetitionLighting Fixtures CompetitionMedical CompetitionOutstanding Competition
Package CompetitionPackaging CompetitionProfessional Photography CompetitionReady-Made Competition
Red Consumeables CompetitionOptics CompetitionRetail Interiors CompetitionDesign Education Competition
Sculpture CompetitionTable and Chair CompetitionTextile CompetitionGreatest Competition
Tourism CompetitionWeb and Networking CompetitionWeb Site CompetitionYoung Competition
Moreover check: Almanac of Design Trophy | <- Mainpage