HHL
# HHL

HHL could refer to:

* Hafthohlladung, a German anti-tank mine of World War II
* Handelshochschule Leipzig, now the HHL Leipzig Graduate School of Management
* Haverhill (Amtrak station), in Massachusetts, United States
* Harrow-Hassidim-Lloyd algorithm, a quantum algorithm for linear systems of equations
* Heath High Level railway station, in Wales
* Herefordshire Housing, a British social housing trust
* Hecht-Hill-Lancaster Productions
* Higher Hockey League, a Eurasian ice hockey league
* Highway Hockey League, a Canadian ice hockey league
