Dallin is a medieval surname of Low German/Westphalia origin, a variation of Dahl. The suffix -lin denotes the namebearer's locale or occupation. Unlike some of the other Dahl variants, Dallin is uncommon to Scandinavian countries. Dallin is also uncommon as a given name. People with the surname include:
Sara Dallin (born 1961), English singer and songwriter from the pop group Bananarama
Alexander Dallin (1924–2000), American professor at Columbia and Stanford universities (son of David Dallin)
David Dallin (1889–1962), American expert on Soviet affairs (father of Alexander Dallin, husband of Lilia Estrin Dallin)
Lilia Estrin Dallin (1898–1981) (a.k.a. Lola Estrin, Paulsen, Lilya Ginzberg), Russian Trotskyist (second wife of David Dallin)
Cyrus Edwin Dallin (1861–1944), American sculptor and Olympic archer
Dallin H. Oaks (born 1932), American Attorney
Dallin Watene-Zelezniak (born 1995), Rugby League player
