Ivar Magnus Ryberg (24 August 1885 – 2 January 1929) was a Swedish rower who competed in the 1912 Summer Olympics. He was a crew member of the Swedish boat "Göteborgs" that was eliminated in the first round of the men's eight tournament. Ryberg was also an association football player and won five national titles. He played in the international match Sweden-England (Amateurs) in Hull in 1909.