Xu Guanghan, or Greg Hsu (許光漢; born 1990), is a Taiwanese actor and singer.

Xu Guanghan may also refer to:

Greg Han (album) (許光漢), album by Taiwanese singer Greg Hau Xu Guanghan (許廣漢; 102–61 BC), Empress Xu Pingjun’s father

See also Xu (disambiguation) 光漢 (disambiguation)