Mallin may refer to:
People Surname
Dan Mallin, American entrepreneur
Elias Mallin (born 1981), American musician
Fred Mallin (1902–1987), English boxer
Harry Mallin (1892–1969), English boxer John A. Mallin (1883–1973), Czech-born American mural and fresco painter Lesley Mallin (born 1956), English athlete
Michael Mallin (1874–1916), Irish republican Michael A. Mallin, American biologist Stewart Mallin (1924–2000), Anglican priest
Tom Mallin (1927–1977), English novelist, playwright and artist
Places Mallin, a village and a former municipality in Mecklenburg-Vorpommern, Germany
See also Mallín a type of meadow and wetland found in southern Chile and Argentina