DNE

DNE may refer to:


 * The convention of circling important information (such as URLs, or assignments) and marking it DNE (short for do not erase) on chalkboards in academic institutions with shared lecture facilities.
 * In mathematics it may be used as an abbreviation to illustrate that a proper solution to some problem Does Not Exist.
 * In logic it may be used as an abbreviation referring to the law of double negation elimination.
 * In engineering it may be used as an abbreviation to illustrate the relation between variables, X1 Does Not Equal X2.
 * An abbreviation for "Did not enter" or "Do not enter"
 * An abbreviation for "Do not engage"
 * Do not equip, a term sometimes used in printed circuit board design to denote the omitting of a component
 * The National Livestock Department (Direction Nationale d'Elevage – DNE) of Mauritania, which manages different aspects of agriculture in that nation
 * Defining New Elegance – an English urban catchphrase by Alexander Hunter-Heslop, an international lifestyle critic
 * Direcção Nacional de Estatística, the national bureau for statistics of East Timor
 * D.Ne., an abbreviation used for the United States District Court for the District of Nebraska
 * Deterministic Network Enhancer, Citrix software that extends operating systems and network protocol devices and stacks to introduce measurement and controls