Inhabited in turn by Romans and Burgundians, Echichens looks back on a lengthy history which has seen it ruled by various overlords. They succeeded one another at Echichens Castle, whose origins and history still remain somewhat vague. The most eminent overlord was Théodore du Gard, who owned the castle in the 17th century. When Echichens was officially founded, it adopted the escutcheon of Théodore du Gard as the commune's official coat of arms. This emblem changed in 2011 when Echichens was merged with three neighbouring villages, increasing the population to over 2000 inhabitants.