Katariina is a Finnish and Estonian feminine given name. It is a cognate of Katherine.
Notable people bearing the name Katariina include: Katariina Lahti (born 1949), Finnish film director and screenwriter Katariina Pantila (1981–2010), Finnish nurse and convicted murderer Katariina Ratasepp (born 1986), Estonian actress Katariina Souri (born 1968) Finnish author, artist, model Katariina Tuohimaa (born 1988), Finnish tennis player Katariina Unt (born 1971), Estonian actress