Blain may refer to:
People Blain Morin (born 1960), Canadian politician Blain (surname)
Places Blain, Pennsylvania, U.S. Blaine Township, Washington County, Pennsylvania, U.S. Electoral division of Blain, Northern Territory, Australia Blain, Loire-Atlantique, France
Other Blain (animal disease), an eighteenth-century term for an animal disease involving a swelling on the root of the tongue Bláin, another name for the Norse giant Ymir Chilblains, a medical condition similar to frostbite
See also Blaine (disambiguation)