Han can refer to:
- Han Chinese, the dominant majority of ethnic group in mainland China.
- Chinese written language (漢文)
- Han Dynasty
- Han (state), a state during the Warring States Period
- Han, one of the Sixteen Kingdoms. Refer to Han Zhao and Former Zhao.
- Han, another of the Sixteen Kingdoms. Refer to Cheng and Cheng Han.
- Later Han Dynasty during the Period of Five Dynasties and Ten Kingdoms
- Northern Han during the Period of Five Dynasties and Ten Kingdoms
- Korea, as an abbreviation used by South Koreans.
- One of the Samhan or three tribes in southern Korea before the Three Kingdoms Period.
- Han River (Korea)
- Han-sur-Lesse, Rochefort, Belgium
- Han, a feudal clan or fief in Japan (See: Abolition of the Han system)
- Transliteration of Chinese family name 韓,韩,邗,罕,寒,憨 etc.