Atlan

Atlan may refer to:


 * Atlan Anien (1920–1992), Marshallese politician
 * Françoise Atlan (born 1964), French singer
 * Henri Atlan (born 1931), French Algerian biophysicist and philosopher
 * Jean-Michel Atlan (1913–1960), French artist
 * Liliane Atlan (1932–2011), French Jewish writer
 * Sébastien Atlan (born 1984), French footballer
 * Atlan (DC Comics), the ancestor and first eponymous king of the Atlanteans and son of Poseidon in DC Comics
 * Atlan da Gonozal, a fictional character who appears in the German science fiction book series Perry Rhodan
 * Atlan (novel), a fantasy novel by Jane Gaskell
 * Science fiction series, a spinoff of the long-running German series Perry Rhodan
 * Nvidia Atlan, a GPU centric semiconductor from Nvidia's Tegra/Drive series, meant for autonomous driving and other high performance computing applications