Li Zhen may refer to:
- Li Zhen (Tang Dynasty) (李貞/李贞), son of Emperor Taizong of Tang
- Li Yu (prince), briefly known as Li Zhen at one point
- Li Zhen (Later Liang), key politician of Later Liang Dynasty
- Li Zhen (1914–1973) (李震), Chinese general and politician
- Li Zhen (swimmer), Chinese sport swimmer
- Li Zhen (canoer), Chinese canoeist/kayaker