Kiki is the nickname of the following people:
Kiki Byrne (1937-2013), Norwegian-born London fashion designer.
Kiki Camarena (1947–1985), murdered undercover agent for the United States Drug Enforcement Administration
Kiki Carter (born 1957), American environmental activist, singer/songwriter and columnist
Kiki Curls (born 1968), Democratic member of the Missouri Senate
Kiki Cutter (born 1951), American alpine skier
Kiki Cuyler (1898–1950), American baseball player
Kiki Håkansson (born c. 1929), winner of the first Miss World beauty pageant in 1951
Kiki Musampa (born 1977), Dutch footballer
Kiki Preston (1898–1946), American socialite and alleged mother of a son born out of wedlock with HRH Prince George, Duke of Kent
Kiki Sanford (born 1974), American research scientist in neurophysiology
Kierra Sheard (born 1987), American gospel and R&B singer
Kiki Shepard (born 1951), African-American television host
Kiki Sheung (born 1959), Hong Kong actress.
Kiki Vandeweghe (born 1958), American basketball player and sports analyst
Xu Jiaqi (born 1995), Chinese singer and actress, and member of Chinese idol group SNH48, known as "Kiki"