Abstract: The invention concerns a carpet knotting instrument (1) for canvases (4) wherein two canvas threads guided parallel to each other at a small spacing are arranged at a slight angle to each other so that an aperture is created thereby.In order to render such a carpet knotting instrument universally applicable and to make to more reliable and easier to handle, such a carpet knotting instrument comprises the following features:(a) a knotting needle (2) with an oblong needle eyelet (3), said needle being insertable between two canvas threads (5, 6; 7, 8) guided parallel to each other and at a small spacing,(b) drive means (9-21) for the two legs (27, 28) of the knotting thread (26) bent into the shape of a loop in order to guide the two legs from the two opposite sides of the needle eyelet (3) through same.