Sarcoma of the larynx, once regarded as of not uncommon occurrence, has come to be regarded as rare. This is because pathologists have changed their interpretation of histologic observations and not because there has been a decrease in the incidence of the disease. Many neoplasms of the larynx formerly thought to have originated from supporting tissue elements have come to be considered by laryngologists and pathologists as of epithelial origin. The small number of proved laryngeal sarcomas, or the complete lack of them, observed by those reporting the largest series of cases of malignant tumors of the larynx would seem to be the best criterion as to the rarity of the condition. In the Mayo Clinic 713 cases of carcinoma of the larynx have been encountered since 1910. In this same period 4 cases of sarcoma of the structure have been seen; these form the basis of this paper. Various