Ryberg is a surname. Notable people with the surname include:
Freja Ryberg (1832–1920), Finnish stage actress Inez Scott Ryberg (1901–1980), American classical archaeologist and academic Ivar Ryberg (1885–1929), Swedish rower Karen Ryberg, American hydrologist and environmental statistician Roger Ryberg (born 1952), Norwegian politician W. Greg Ryberg (born 1946), American politician