UCL may refer to refer to:

In education:

  • University College London, a public research university in London, United Kingdom and a constituent college of the University of London
  • Universit√© catholique de Louvain, university based in Louvain-la-Neuve and Brussels, Belgium
    • UCL-St.-Luc, academic hospital associated with the university, based in Brussels
  • Catholic University of Lyon (French: Universit√© catholique de Lyon)
  • University College Lahore, a university in Pakistan

In sport:

  • UEFA Champions League, an annual European club football competition
  • United Counties Football League, an English football league known as "United Counties League"

In science:

  • Ulnar collateral ligament (elbow) reconstruction
  • Ulnar collateral ligament (thumb)
  • Upper Control Limit, one of the control limits on a statistical process control chart

In other uses:

  • Unified Class Library, an alternative name for Base Class Library from Microsoft .Net
  • Uganda Clays Limited, a company in Uganda that manufactures building materials from clay