Granberg is a surname. Notable people with the surname include: Carolina Granberg (1818-1884), Swedish ballerina. Devlin Granberg (born 1995), American baseball player. Emanuel Granberg (1754–1797), Finnish painter. Fredde Granberg (born 1970), Swedish actor, playwright and director. Jeanette Granberg (1825–1857), Swedish writer and playwright. Joonas Granberg (born 1986), Finnish professional golfer. Kurt M. Granberg (born 1953), American politician. Lars U. Granberg (born 1965), Swedish politician. Louise Granberg (1812–1907), Swedish playwright and theatre director.
https://en.wikipedia.org/wiki/Granberg