Guiyu may refer to:
- Guiyu oneiros (鬼鱼), extinct bony fish
- Guiyu (town) (贵屿镇), town in Chaoyang District, Shantou, Guangdong, China
|This disambiguation page lists articles associated with the title Guiyu.
If an internal link led you here, you may wish to change the link to point directly to the intended article.