Yili (Wade-Giles: "I-li") may refer to:
- The Book of Etiquette and Rites (Chinese: 儀禮, 仪礼, Yílǐ), one of the Confucian classics of Chinese literature
- Yili Group (Chinese: 伊利集团, Yīlì Jítuán), a Chinese dairy company
- Ili Kazakh Autonomous Prefecture (Chinese: 伊犁, Yīlí), in northernmost Xinjiang, China
- The Yili horse (Chinese: 伊犁马, Yīlímǎ), a pony named for the region