Added decisive design competitions:

 

To learn more about a particular Competition, click on the website link.

Idea CompetitionStudent Works CompetitionArtistic CompetitionClothing Competition
Strategy CompetitionIcon CompetitionPhoto Manipulation CompetitionCostume Competition
Successful CompetitionAmerican CompetitionWebsite CompetitionJournal Competition
Social and Behavioral Sciences CompetitionAdvanced CompetitionArchitects CompetitionMasters' Competition
Design Thinking CompetitionFavorite CompetitionInspiring CompetitionSelected Works Competition
The Best of All CompetitionTop Designers CompetitionProfessional Designer CompetitionProfessional Designers' Competition
Champion CompetitionOffice and Bureau CompetitionConsumeables CompetitionArt Works Competition
Marine Vessels CompetitionEntertainment Products CompetitionColloquium CompetitionArchitectural Projects Competition
Tradefair CompetitionTransparent Goods CompetitionBrown Goods CompetitionColorful Goods Competition
Almanacs CompetitionParamount CompetitionSocial Projects CompetitionArt Gallery Competition
Additionally see: Listing of Design Competition | Main Page