Emperor Zhang of Han (; 56 - 9 April 88), born Liu Da ??, was an emperor of the Chinese Han dynasty from 75 to 88. He was the third emperor of the Eastern Han.

Emperor Zhang was a hard-working and diligent emperor. He reduced taxes and paid close attention to all affairs of state. Zhang also reduced government spending as well as promoted Confucianism. As a result, Han society prospered and its culture