Saint Eutropius of Saintes was a Christian martyr and the first bishop of Saintes, a city in France. He is believed to have lived during the 3rd century and is known for his missionary work in the region, spreading Christianity among the local population. His dedication to the faith led to his martyrdom, and he is venerated as a saint in the Catholic Church. His feast day is celebrated on January 6, and he is often depicted in art holding a bishop's staff. Saint Eutropius is recognized for his role in establishing the early Christian community in Saintes and is an important figure in the history of the church in Gaul.