Thorin may refer to: Thorin II Oakenshield, a Dwarf in J. R. R. Tolkien's The Hobbit Thorin (chemistry), an organic arsenic compound used in the determination of thorium and barium Donald E. Thorin (1934–2016), American cinematographer Olof Thorin (1912–2004), Swedish mathematician Thorin, Germanic name for males, representing the Germanic God Thor Thorin, the pseudonym of the esports journalist & commentator Duncan Shields