NCO

NCO may refer to:

  • NCO Group, an international corporation that provides customer service contracting
  • Net Capital Outflow, an economic metric measuring the amount of money from a country holding assets elsewhere
  • NetCDF Operators, a suite of programs for manipulating NetCDF files
  • National Children's Orchestra, an organisation for young musicians in the United Kingdom
  • Network-centric operations, an emerging theory of war in the information age
  • Non-commissioned officer in the rank structure of many armed forces worldwide
  • Numerically controlled oscillator, a digital signal generator
  • Nuova Camorra Organizzata, a defunct Italian Camorra criminal organization in Naples founded by Raffaele Cutolo
  • Isocyanate, a functional group of atoms –N=C=O