Xuanzong can be the name of the following Chinese emperors:

• Emperor Xuanzong of Tang China (685–762; reign: 712–756)
• Emperor Xuanzong II of Tang China (810–859; reign: 846–859)
• Xuande Emperor of the Ming Dynasty (1398–1435; reign: 1425–1435)
• Daoguang Emperor of the Qing Dynasty (1782–1850; reign: 1820–1850)