Mecanoo is a firm of architects based in Delft, The Netherlands. The Delft based office of Mecanoo was officially founded in 1984 by Erick van Egeraat, Chris de Weijer, Henk Doell and Francine Houben.

The firm is directed by its original founder architect Prof. ir. Francine M.J. Houben with partners Aart Fransen, Francesco Veenstra and Ellen van der Wal. The firm's designs include technical, human and playful aspects.