PAE

PAE may refer to:

Science and technology

 * Predicted Aligned Error, AlphaFold output file format for errors of protein structure prediction
 * Physical Address Extension, an x86 computer processor feature for accessing more than 4 gigabytes of RAM
 * Power added efficiency, a percentage that rates the efficiency of a power amplifier
 * Post Antibiotic Effect, the period of time following removal of an antibiotic drug during which there is no growth of the target organism
 * Port Access Entity, in the IEEE 802.1X networking environment
 * Primary amoebic encephalitis, another name for primary amoebic meningoencephalitis
 * Prostatic artery embolization, a treatment for benign prostatic hypertrophy.

Places

 * City of Port Adelaide Enfield, South Australia
 * Paine Field (IATA airport code), an airport in Everett, Washington

Other uses

 * Pacific Architects and Engineers, a United States defense contractor
 * Post-autistic economics, a criticism of neoclassical economics
 * Provisional Admission Exercise, an interim exercise/period in Singapore education
 * Patent assertion entity, a patent troll company