Early Christian art and architecture is the art produced by Christians, or under Christian patronage, from the earliest period of Christianity to, depending on the definition, sometime between 260 and 525. In practice, identifiably Christian art only survives from the 2nd century onwards. After 550, Christian art is classified as Byzantine, or according to region.

Byzantine art comprises the body of artistic products of the Eastern Roman Empire, as well as the nations and states that inherited culturally from the empire. Though the empire itself emerged from the decline of western Rome and lasted until the Fall of Constantinople in 1453, the start date of the Byzantine period is rather clearer in art history than in political history, if still imprecise. Many Eastern Orthodox states in Eastern Europe, as well as to some degree the Islamic states of the eastern Mediterranean, preserved many aspects of the empire's culture and art for centuries afterward.