Afzelius is a Swedish surname. Notable people with the surname include: Adam Afzelius (1750–1837), Swedish naturalist Arvid Afzelius (1857–1923), Swedish dermatologist Arvid August Afzelius (1785–1871), Swedish poet and historian Björn Afzelius (1947–1999), Swedish singer Johan Afzelius (1753–1837), Swedish chemist Jon Arvid Afzelius (1856–1918), Swedish linguist Per von Afzelius (1760–1843), Swedish medicine Ronnie Afzelius (1972–present), Swedish entrepreneur Sources Biographies in Swedish language Swedish-language surnames