Other foremost design competitions:

 

To find out more regarding a specific Challenge, checkout the relevant link.

Advanced CompetitionAdvanced CompetitionAdvanced CompetitionArchitectural Competition
Art Works CompetitionArtistic Works CompetitionAwards CompetitionWebdesign Competition
Website CompetitionWebsite CompetitionBicycle CompetitionBusiness Plan Competition
Car CompetitionChair CompetitionCraft CompetitionDesigner Goods Competition
Research CompetitionDigital Arts CompetitionComputer Arts CompetitionDigital Products Competition
Fabric Pattern CompetitionGood CompetitionGreen Goods CompetitionHomecraft Competition
Abstract Idea CompetitionArts and Crafts CompetitionModel CompetitionPhoto Competition
Red Things CompetitionRedhot CompetitionSound CompetitionAmateur Competition
Sustainable Goods CompetitionTable and Chair CompetitionTalent CompetitionBest Competition
Typography CompetitionUltimate CompetitionVehicle CompetitionWhite Goods Competition
See more at: Catalog of Design Competition | Competition Index