Atan

Atan may refer to:

Places

 * Atan, Armenia
 * Atan, Iran

People

 * Atan Shansonga (born 1955), Zambian diplomat
 * Çağdaş Atan, Turkish footballer
 * Cem Atan, Turkish footballer

Other

 * Attan, a Pashtun and Afghan traditional dance
 * arctangent, a trigonometric function
 * atan2, the two-argument function implementing the arctangent in many computer languages