Mallos may refer to:

• Mallos, a form of Saint Dane, character in the Pendragon series by D.J. MacHale
• Mallos (Cilicia), an ancient city in Cilicia, Anatolia
• Mallos (Pisidia), an ancient town of Pisidia, Anatolia
• Mallos de Riglos, a set of rock formations in Huesca province in Spain
• Mallos (spider), a spider genus
• Tess Mallos, Australian food and cooking, writer, journalist, author, and commentator

• Mallo (disambiguation)