NNA

NNA may refer to:


 * Kenitra Air Base, Morocco (IATA code)
 * National News Agency, the official news agency of the Lebanese government
 * National Newspaper Awards, for Canadian journalism
 * National Newspaper Association, an American organization for community newspapers
 * National Notary Association, an American organization for notaries public
 * National numbering agency for International Securities Identifying Number
 * A neural network accelerator, a specialised hardware computer system to speed up artificial intelligence or machine learning applications