Shi (Chinese: 士; Korean: 사; Hanja: 士) is the rank usually held by Non-commissioned officers in some East Asian militaries. The ranks are used in both the People's Republic of China and Taiwan, and both North and South Korea. The rank name is based on the on one of the four ancient occupations.

The same rank names are used for all services, prefixed by haijun (simplified Chinese: 海军; traditional Chinese: 海軍; lit. 'naval force') or kongjun (simplified Chinese: 空军; traditional Chinese: 空軍; lit. 'air force').

Ranks used in Chinese character-using countries