Kjær is a surname of Danish origin, meaning carr or fen. The name is used in Denmark and Norway. It may refer to any of the following people: Birthe Kjær (born 1948), Danish singer. Ejnar Martin Kjær (1893–1947), Danish politician. Heidi Kjær, Danish cricketer. Henriette Kjær (born 1966), Danish politician. Kirsten Kjær (1893–1985), Danish painter. Kjell Kjær (born 1942), Norwegian actor, puppeteer, director, and program host. Nils Kjær (1870–1924), Norwegian playwright. Peter Kjær (footballer) (born 1965), Danish footballer, television commentator and sporting director.
https://en.wikipedia.org/wiki/Kj%C3%A6r