Petosiris is an ancient Egyptian figure known primarily as a priest and scribe during the Ptolemaic period. He is often associated with the worship of the god Thoth, the deity of writing and knowledge. Petosiris is recognized for his contributions to religious texts and inscriptions, which provide insights into the spiritual practices of his time. His tomb, located in Saqqara, features elaborate carvings and hieroglyphs that depict various rituals and offerings. These artworks not only highlight his status but also serve as valuable historical records, shedding light on the cultural and religious life of ancient Egypt during the Hellenistic era.