Stomatium is a genus of succulent plants in the ice plant family, Aizoaceae. Members of the genus are native to southern Africa.

• Stomatium acutifolium L.Bolus
• Stomatium agninum Schwantes
• Stomatium alboroseum L.Bolus
• Stomatium angustifolium L.Bolus
• Stomatium beaufortense L.Bolus
• Stomatium bolusiae Schwantes
• Stomatium braunsii L.Bolus
• Stomatium bryantii L.Bolus
• Stomatium deficiens L.Bolus
• Stomatium difforme L.Bolus
• Stomatium duthieae L.Bolus
• Stomatium ermininum Schwantes
• Stomatium fulleri L.Bolus
• Stomatium geoffreyi L.Bolus
• Stomatium gerstneri L.Bolus
• Stomatium grandidens L.Bolus
• Stomatium integrum L.Bolus
• Stomatium jamesii L.Bolus
• Stomatium latifolium L.Bolus
• Stomatium lesliei (Schwantes) Volk
• Stomatium leve L.Bolus
• Stomatium loganii L.Bolus
• Stomatium meyeri L.Bolus
• Stomatium middelburgense L.Bolus
• Stomatium murinum (Haw.) Schwantes ex Jacobsen
• Stomatium mustelinum Schwantes
• Stomatium patulum L.Bolus ex Jacobsen
• Stomatium paucidens L.Bolus
• Stomatium peersii L.Bolus
• Stomatium pluridens L.Bolus
• Stomatium resedolens L.Bolus
• Stomatium ronaldii L.Bolus
• Stomatium rouxii L.Bolus
• Stomatium ryderae L.Bolus
• Stomatium suaveolens Schwantes
• Stomatium suricatinum L.Bolus
• Stomatium trifarium L.Bolus
• Stomatium villetii L.Bolus
• Stomatium viride L.Bolus