Emperor Hui may refer to:

Emperor Hui of Han (210 BC–188 BC)

Emperor Hui of Jin (259–307)

Emperor Hui of Ming (Jianwen Emperor, 1377-1402)

It is also Chinese rendering for the titles of the rulers of Vietnam:

Lê Kính Tông (1588-1619)

Dục Đức (1852-1883)