Österberg is a Swedish surname. Notable people with the name include:
Anders Österberg (born 1981), Swedish politician Iggy Pop (born 1947), American singer, birth name James Österberg Laura Österberg Kalmari (born 1979), Finnish football player Martina Bergman-Österberg (1849–1915), Swedish-born physical education instructor Mikael Österberg (born 1986), Swedish ice hockey defenceman Sven-Erik Österberg (born 1955), Swedish politician
See also Osterberg, German municipality Østerberg, surname