Chiu is the romanization used for some family names of Chinese origin, such as Zhao (surname) 趙, 邱, 朝, or 就
- Alison Chiu, a news anchor for TVB News in Hong Kong
- Angie Chiu (born 1954), Chinese actress based in Hong Kong
- Bernard Chiu, chairmen of a musical instrument manufacture based in the US state of Massachusetts
- Bryan Chiu, Canadian footballer; centre in the Canadian Football League
- Cindy Chiu (born 1980), Taiwanese American actress
- Connie Chiu (born 1969), Chinese international fashion model
- David Chiu (politician) (born 1970), an attorney and politician on the San Francisco Board of Supervisors
- David Chiu (poker player) (born 1960), Chinese-American professional poker player
- Eric Wan Tin Chiu (born 1964), Chinese Actor based in Hong Kong
- Frederic Chiu (born 1964), American concert pianist
- Kim Chiu (born 1990), Filipina actress
- May Chiu (born 1965), Canadian politician; candidate for the progressive political party Québec Solidaire
- Ng Wai Chiu (born 1981), Chinese footballer, representing team "Hong Kong, China"
- Ping-Kun Chiu, Taiwanese athlete and judge in the sport of archery
- Rebecca Chiu (born 1978), Chinese professional squash player
- Samson Chiu, Chinese film director
- Tasha Chiu (born 1980), Canadian television journalist
- Tom Chiu (born 1971), American music composer and violinist
- Yi Chiu, Taiwanese politician; member of the Legislative Yuan in the Republic of China
- Wu Pak Chiu (c. 1913-1974), Chinese-born tenor
- Other
- Conference of Heads of Irish Universities, now the Irish Universities Association
- Chiu, net idol alter ego of Chisame Hasegawa, a fictional character from the manga/anime franchise Negima!