Hanwei may refer to: It may refer to:
- 韩伟, 韓偉 hánwěi, the Chinese for Greater Korea
- historical name for the Three Kingdoms of Korea
- Hanwei (egg producer) (韩伟 hánwěi), company based in Dalian, China
- Wei Han (韓偉 Hán Wěi, 1906–1992), Lieutenant General of the Chinese People's Liberation Army
- Wei Han (韓偉 Hán Wěi, 1928–1984), Taiwanese scholar
- Hanwei (sword producer) (汉威 hànwēi), company manufacturing swords based in Dalian, China