The Guangyun (Kuang-yun; ) is a Chinese rhyme dictionary that was compiled from 1007 to 1008 under the patronage of Emperor Zhenzong of Song. Its full name was Dà Sòng chóngxiu guangyùn (??????, literally "Great Song revised and expanded rhymes"). Chen Pengnian (???, 961-1017) and Qiu Yong ?? were the chief editors.

The dictionary is a revision and expansion