Flatlander

Flatlander may refer to:


 * "Flatlander" (short story), a 1967 story by Larry Niven
 * Flatlander (short story collection), a 1975 collection of short stories by Larry Niven
 * Flatlander (Niven), a term used in Larry Niven's works
 * A character in the 1884 Edwin Abbott novella Flatland
 * The Flatlanders, a country music band
 * Andy Morin, audio engineer for the hip hop group Death Grips, often referred to as "Flatlander".
 * Flatlander, a term for newcomers to the U.S. states of Maine, New Hampshire, or Vermont
 * Flatlander, anyone originating from Umina, Central Coast of NSW, Australia.