Abstract: A portable urinal comprises: a urine-storage bag constructed of a waterproof material, the bag being provided with a mouth and a fastener, the mouth being so located as to cover the genitourinary area of a man or woman in use, the fastener being constructed of a grooved channel provided in the interior of a front-trunk portion of the bag at a suitable position thereof and a ridge which is provided in the interior of a rear-truck portion of the bag at a suitable position thereof while detachably inserted into the grooved channel in a snapping manner, both of the grooved channel and the ridge extending over a width of the bag; and a pouch, constructed of a water-permeable material, and filled with a water-absorbing agent which is swollen with urine to form a gel when brought into contact with the urine to absorb the same, the pouch being broken when the agent is swollen with urine.