Caecilius Iucundus was a wealthy banker and a prominent figure in the ancient Roman city of Pompeii. He is best known from the Latin texts of the Cambridge Latin Course, which depict his daily life and interactions with family and friends. His house, known as the House of Caecilius, is one of the well-preserved structures excavated from the ruins of Pompeii. Caecilius lived during the 1st century AD and was part of the Roman elite. His life reflects the social and economic dynamics of the time, showcasing the roles of family, business, and community in Roman society. His character serves as a valuable resource for understanding Roman culture and domestic life.