Julin is a Nordic surname. Notable people with the surname include:

• Åke Julin (1919–2008), Swedish water polo player
• Albert von Julin (1846–1906), Finnish businessman and vuorineuvos
• Albert Lindsay von Julin (1871–1944), Finnish engineer, businessman and vuorineuvos, nephew of Albert
• Erik Julin (1796–1874), Finnish apothecary, shipowner and industrialist, uncle of Albert
• Harald Julin (1890–1967), Swedish swimmer and water polo player, father of Åke and Rolf
• Jessica Julin (born 1978), Finnish football player
• John von Julin (1787–1853), Finnish pharmacist, factory owner and vuorineuvos, father of Albert and brother of Erik
• Magda Julin (1894–1990), Swedish figure skater
• Pia Julin (born 1969), Finnish Olympic shooter
• Rolf Julin (1918–1997), Swedish water polo player, son of Harald and brother of Åke
• Urho Julin (1928–2002), Finnish Olympic runner

This page lists people with the surname Julin.
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