Suyu may refer to:

Suyu (Inca Empire), region or province of the Inca Empire Suyu District, in Suqian, Jiangsu, China Suyu-dong, a dong, neighbourhood of Gangbuk-gu in Seoul, South Korea Suyu Station, on the Seoul Subway Line 4, South Korea Suyu, a fork of the defunct Yuzu emulator Sherry Suyu, Canadian observational cosmologist

See also Su Yu (1907–1984), Chinese general