UOL is an abbreviation for:

  • Buol Airport, the airport in Buol, New Guinea, Indonesia after the IATA code
  • University of Leeds, a University in Leeds, UK.
  • University of London, see University of London, one of the oldest universities in the United Kingdom and one of the largest in the world
  • , Listed Universo Online, an online service and Internet service providers in the financial index IBOVESPA
  • Upper operating limit, upper temperature threshold at HALT tests in which the specimen is still working, see Highly Accelerated Life Test # test result and end
  • Disambiguation
  • Abbreviation