Family name Guishu (贵书 
, 桂书 , 桂淑 ) , in all the world, is a rare cognomen. The surname Guishu is habitual in Ethiopia, where it is a very rare surname, and China. More frequently, Guishu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 桂书, 桂淑, 贵书 | China |
| Guishu | United Kingdom, United States, Ethiopia, China |
Гуишу, Гуйшу, 傀姝, 吉书, 吉姝, 吉庶, 吉恕, 吉曙, 吉术, 吉树, 吉淑, 吉澍, 吉熟, 吉署, 吉舒, 吉蜀, 吉述, 吉鼠, 圭树, 归属, 归熟, 桂俞, 桂叔, 桂姝, 桂恕, 桂抒, 桂数, 桂曙, 桂术, 桂束, 桂枢, 桂树, 桂梳, 桂樹, 桂澍, 桂熟, 桂竖, 桂舒, 桂蜀, 桂述, 桧树, 歸屬, 炅澍, 瑰姝, 瑰曙, 瑰树, 瑰舒, 癸树, 规属, 规树, 貴树, 贵俞, 贵叔, 贵姝, 贵恕, 贵暑, 贵曙, 贵术, 贵枢, 贵树, 贵殊, 贵淑, 贵署, 贵舒, 贵蜀, 贵述, and 贵鼠