Lundbäck is a Swedish surname. Notable people with the surname include: Lena Carlzon-Lundbäck (born 1954), Swedish cross-country skier. Robin Lundbäck (born 1994), Swedish singer/songwriter, stage name "Boy In Space" Sven-Åke Lundbäck (born 1948), Swedish cross-country skier, husband of Lena https://en.wikipedia.org/wiki/Lundb%C3%A4ck