DNAA

DNAA may refer to:


 * DnaA, protein that activates initiation of DNA replication in bacteria
 * Nnamdi Azikiwe International Airport, Abuja, FCT, Nigeria (ICAO: DNAA)
 * Driffield Navigation Amenities Association, an organisation formed in 1968 to restore the Driffield Navigation waterway
 * Discharge not amounting to an acquittal, a type of discharge in Malaysian criminal procedure