Li Yu may refer to:
Emperor Suzong of Tang, personal name Li Heng, né Li Sisheng (李嗣升), known as Li Jun (李浚) from 725 to 736, known as Li Yu (李璵) from 736 to 738, known briefly as Li Shao (李紹) in 738, was an emperor of the Chinese Tang dynasty and the son of Emperor Xuanzong.
Li Fuguo, né Li Jingzhong (李靜忠), known from 757 to 758 as Li Huguo (李護國), formally Prince Chou of Bolu (博陸醜王), was a Chinese eunuch, military general, and politician during the reign of Emperor Suzong of the Chinese Tang dynasty. He had served Li Heng while Li Heng was crown prince under Li Heng's father Emperor Xuanzong and later supported Li Heng in ascending the throne during Anshi Rebellion, when Emperor Xuanzong's realm was thrown into confusion. He later became exceedingly powerful, in alliance with Emperor Suzong's wife Empress Zhang, but broke with her and killed her in 762 when Emperor Suzong died. He briefly became the paramount figure in the administration of Emperor Suzong's son and successor Emperor Daizong, but was removed and then killed by assassins sent by Emperor Daizong later that year.

Emperor Daizong of Tang, personal name Li Yu, né Li Chu, was an emperor of the Chinese Tang dynasty.
Li Tan (李倓), known by his princely title of Prince of Jianning (建寧王), posthumously honored as the Prince of Qi (齊王) and then Emperor Chengtian, was an imperial prince of the Chinese Tang dynasty. He was a son of Emperor Suzong who was credited with suggesting to his father the idea of fleeing to Lingwu during the Anshi Rebellion, allowing Emperor Suzong to eventually reestablish a power base and defeat the rebellion. He was also credited with protecting his father on the way to Lingwu. However, he offended Emperor Suzong's favorite concubine Consort Zhang and the powerful eunuch Li Fuguo by accusing them of crimes; in turn, they accused him of having designs on the life of his older brother Li Chu the Prince of Guangping, causing Emperor Suzong to order him to commit suicide. After Li Chu became emperor in 762, he posthumously honored Li Tan, first as the Prince of Qi, and then as Emperor Chengtian, to recognize him for his contributions.
Empress Zhang was an empress of the Chinese Tang dynasty. She was the second wife of Emperor Suzong and gained great power and influence during his reign, in alliance with the eunuch Li Fuguo; both had the emperor's complete trust and were invincible and dominated by uniting their forces at court. But eventually, she and Li Fuguo turned against each other late in Emperor Suzong's reign, as the emperor grew gravely ill and they both wanted to take sole control of the power and choose their favorite candidate to succeed to the throne. Zhang tried to have Li Fuguo put to death, but instead was captured and killed by Li Fuguo and was posthumously demoted to commoner rank by Emperor Daizong. She was recognized as "the last example of chaos and interference by domineering women in the Tang", who, like the powerful women before her, was overthrown in a coup d'état.
Pugu Huai'en, formally the Prince of Da'ning (大寧王), was a general of the Chinese Tang dynasty of Tiele ancestry. He was instrumental in the final suppression of the Anshi Rebellion, but rebelled against Emperor Daizong in fear that he was being accused of treason. After an initial defeat by other Tang generals, he led his own forces, allied with forces of the Uyghur Khaganate and Tibetan Empire, to attack the Tang capital Chang'an, but died on the way.
Li Xian, formally the Duke of Liang, was a Chinese politician of the Tang dynasty, serving as a chancellor during the reigns of Emperor Suzong and Emperor Daizong. He was known for his willingness to stand up against the powerful eunuch Li Fuguo and for his mercy toward other officials who had become collaborators with the rebel Yan regime.
Li Kui (李揆), courtesy name Duanqing (端卿), was a Chinese diplomat, historian, and politician during the Tang dynasty, serving as a chancellor during the reign of Emperor Suzong.
Xiao Hua, formally the Duke of Xu (徐公), was a Chinese historian and politician during the Tang dynasty, serving as a chancellor during the reign of Emperor Suzong.
Yuan Zai (元載), courtesy name Gongfu (公輔), formally Duke Huang of Yingchuan (潁川荒公) and then Duke Chengzong of Yingchuan (潁川成縱公), Duke Zhong of Yingchuan (潁川忠公), was a Chinese economist, historian, judge, and politician during the Tang dynasty, serving as a chancellor during the reigns of Emperor Suzong and Emperor Daizong, becoming particularly powerful during the middle of Emperor Daizong's reign. He was said to be very capable as an official, but also treacherous and corrupt. His behavior eventually wore out Emperor Daizong's patience, and he was arrested and executed.
Consort Shen, formally Empress Ruizhen, was a Tang dynasty woman who served as a consort of Emperor Daizong of Tang while he was the Prince of Guangping under his grandfather Emperor Xuanzong and father Emperor Suzong and the mother of the future Emperor Dezong. She was captured by the rebel Yan forces during Anshi Rebellion, and although Li Chu regained her at one point during the war, was lost again later during the war. Despite efforts by Emperors Daizong and Dezong to locate her after the war, they were never able to find her. She was finally declared deceased by her great-grandson Emperor Xianzong in 805.
Consort Dúgū, imperial consort rank Guìfēi, formally Empress Zhēnyì, was an imperial consort of the Chinese Tang dynasty, during the reign of Emperor Daizong. She was Emperor Daizong's favorite concubine and, while she never became empress in her lifetime, she dominated inside the palace. He posthumously honored her as empress after her death in 775.
Cheng Yuanzhen (程元振) was a Chinese eunuch, military general, and politician during the Tang dynasty. He was exceedingly powerful early in the reign of Emperor Daizong and was said to, in his attempts to consolidate his power, have killed or demoted a number of key generals and officials on his own whim, and thus drew the hatred from the other officials and generals. In 763, he was blamed for not warning Emperor Daizong about the Tubo invasion that eventually caused the capital Chang'an to fall to Tubo forces, forcing Emperor Daizong to flee. Emperor Daizong exiled him, and he died in exile.

Li Baoyu, né An Chongzhang (安重璋), known for some time as An Baoyu (安抱玉), formally Duke Zhaowu of Liang (涼昭武公), was an ethnic Sogdian general of the Chinese Tang dynasty. He was known for his contributions to Tang during the Anshi Rebellion and for his subsequent defense of the western border against Tufan.
Liu Yan, courtesy name Shi'an, was a Chinese economist and politician during the Tang dynasty who served briefly as chancellor during the reign of Emperor Daizong – but who was more known for his reforms in the Tang salt monopoly and food transportation systems, credited with allowing the Tang economy to recover after the disastrous An Lushan Rebellion. In 780, during the reign of Emperor Daizong's son Emperor Dezong, after the chancellor Yang Yan made a series of false accusations against him, he was first demoted and then executed.
Du Hongjian, courtesy name Zhisun (之巽), formally Duke Wenxian of Wei (衛文憲公), was a Chinese Buddhist monk and politician during the Tang dynasty who served as a chancellor during the reign of Emperor Daizong. He was known, and much criticized by traditional Chinese historians, for his devotion to Buddhism, one manifestation of which was his patronage of the Chan master Wuzhu.
Li Mian, courtesy name Xuanqing (玄卿), formally Duke Zhenjian of Qian (汧貞簡公), was a Chinese judge, military general, musician, poet, and politician during the Tang dynasty, serving as a chancellor during the reign of Emperor Dezong.
Li Bi or Li Mi, courtesy name Changyuan (長源), formally the Marquess of Ye County (鄴縣侯), was a Chinese historian, poet, and politician during the Tang dynasty. Li was a trusted advisor and close friend to Emperor Suzong of Tang, whom he aided in suppressing the An Lushan Rebellion, and later served as chancellor and chief civil official under Emperor Dezong. An accomplished man of letters, Li was a dedicated Taoist practitioner who cut an unusual figure at court, disentangling himself from political intrigue by leading an eremitic lifestyle and often eschewing high office to serve as personal counsellor to Emperor Suzong and his successors, Emperor Daizong and Emperor Dezong. Li's strategies helped stabilize the Tang state during a chaotic era marked by rebellion, warfare, and tension with foreign powers, though his influence and perceived eccentricity drew criticism from contemporary rivals and some traditional historians. Li is one of the 40 prominent figures memorialized in the Wu Shuang Pu by Jin Guliang.
Li Ye may refer to:
Yu is the Mandarin Pinyin spelling of a Chinese given name.