Kiki is a unisex given name, a nickname and a surname.

Given name

• Kiki Bertens (born 1991), Dutch former tennis player
• Kiki Byrne (1937–2013), Norwegian-born London fashion designer
• Kiki Gyan (1957–2004), Ghanaian keyboardist with the band Osibisa
• Kiki Kogelnik (1935–1997), Austrian painter, sculptor and filmmaker
• Kiki McDonough, British jewellery designer
• Kiki Smith (born 1954), American feminist artist

Nickname

• 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 Camarena (1947–1985), murdered undercover agent for the United States Drug Enforcement Administration
• Kiki Dimoula (1931–2020), Greek poet
• Kiki Divaris (c. 1925–2015), Greek fashion designer
• Ruth Bader Ginsburg (1933-2020), Associate Justice of the Supreme Court of the United States, whose family nickname was "Kiki"
• Kiki Håkansson (c. 1929-2011), winner of the first Miss World beauty pageant in 1951
• Jean-Jacques Kilama (born 1985), Cameroonian-born Hong Kong footballer
• Kiki Musampa (born 1977), Dutch footballer
• Kiki Preston (1898–1946), American socialite who allegedly had a son out of wedlock fathered by 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 1958), Hong Kong actress
• Kiki VanDeWeghe (born 1958), American basketball player and sports analyst

Surname

• Albert Maori Kiki (1931–1993), Papua New Guinea pathologist and politician
• Dani Kiki (born 1988), Bulgarian footballer