OHL may refer to:

  • Oberste Heeresleitung, the Supreme Army Command of Germany in World War I
  • Obrasc√≥n Huarte Lain, a Spanish construction company
  • Old Hill railway station's National Rail station code
  • Ontario Hockey League
  • Oud-Heverlee Leuven, a Belgian football club
  • Overhead line, such as an overhead electric line used for railway and tram electric power supply
  • Ozburn-Hessey Logistics