Li can refer to:
- Lǐ (rites) 礼 - the Confucian concept of proper protocol or decorum
- Lǐ (principle) 理 - the Neo-Confucian concept of a fundamental guiding principle which provides the pattern for all things
- Li 李 (C: Lǐ), a surname. See 李 (Li).
- Li 里 (C: lǐ, J: ri), a traditional measure of distance.