HLL

HLL can have several meanings:


 * High-level programming language, abbreviated to High-level Language.
 * HLL Lifecare Limited (formerly Hindustan Latex Limited), an Indian Public Sector Undertaking
 * Horo Records hll jazz series, e.g. hll 101-4
 * Horizontal Life Line, used for fall arrest
 * HyperLogLog, algorithm for the count-distinct problem
 * Hell Let Loose, multiplayer WWII first-person shooter video game