Chu ( or Châu () is a Vietnamese surname. It is transliterated as Zhou (for Chu) and Zhu (for Châu) in Chinese, and Ju in Korean.

Châu is also a unisex Vietnamese given name.

Chau is the anglicized variation of Châu.

Notable people with the surname Chu/Châu Chu Văn An Chinh Chu - Vietnamese-American finance executive Châu Văn Tiếp (Châu Doãn Ngạnh), 18th century Vietnamese military commander Chau Giang (Chau Tu Giang), professional poker player. Chau Nguyen (born 1973), Vietnamese-American news anchor François Chau (born 1959), Cambodian-American actor Hong Chau, American actress

vi:Chu (họ)