Kivi is an Estonian and Finnish surname (meaning stone), and may refer to:
- Aleksis Kivi (1834–1872), Finnish author
- Anna Kivi (1876–1929), Finnish writer
- Antero Kivi (1904–1981), Finnish discus thrower
- Erik Kivi (1881–1954), Finnish American musician
- Eve Kivi (born 1938), Estonin actress
- Jaakko Kivi, Finnish politician
- Juha Kivi (born 1964), Finnish long jumper
- Jussi Kivi (born 1959), Finnish artist
- Kai Kivi (1959–2007), Finnish musician and biologist
- Karri Kivi (born 1970), Finnish ice hockey player
- Maarja Kivi (born 1986), Estonian musician, also known as Marya Roxx
- Osmo Kivi (1913–1940), Finnish pesäpallo player
- Raal Kivi (born 1946), Estonian architect
- Raul-Levroit Kivi (1920–2009), Estonian architect
- Signe Kivi (born 1957), Estonian textile artist and politician