Surnames
- Ha (河), Middle Chinese of He (surname), 2 kinds of origin
- Ha (賀), Middle Chinese of He (surname), 3 kinds of origin
- Ha (夏), Cantonese of Xia (surname), 5 kinds of origin
- Ha (胡), common of Hồ, Hu (surname), 5 kinds of origin
- Ha (哈), Chinese surname of Mongol, Hui, Han people, 3 kinds of origin
- Hà, Vietnamese surname 河
- Hạ, Vietnamese surname 賀
- Hà, Ho, Vietnamese surname 胡 from Chinese Li (黎) clan of Hồ dynasty, etc.
- Hạ, He, Vietnamese surname 夏
- Ha (河), Korean surname, of Ho, He
- Ha (夏), Korean surname, of Xia
- Ha (賀), old Korean surname, of Ho, He
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