The invention relates to a cannula holder having a guide for a stomach tube, which consists of a main body or mask; a male-female type of holder attached to said main body or mask, which provides graduated support for an endotracheal cannula; a support substrate that is attached to the rear part of the main body or mask; and an extensible band or strap, the ends of which are attached to each of the lateral ends of the main body or mask, wherein said extensible band or strap extends around and behind the head of the patient or user to keep the cannula holder having a guide for a stomach tube in place. The invention also relates to the fact that the holder, in addition to being used for holding an endotracheal cannula, can be used to hold any other medical device used in connection with the oral airways, such as a laryngeal mask.