Karoliina is a Finnish and Estonian feminine given name derived from Charles. People with the name include:
Karoliina Blackburn (born 1972), Finnish actress and Muay Thai boxer Karoliina Kallio (born 1979), Finnish singer and actor Karoliina Lundahl (born 1968), Finnish weightlifter Karoliina Rantamäki (born 1978), Finnish female ice hockey player
See also
Karolina (given name)