PLL usually refers to phase-locked loops, a type of electronic circuit and control system. It may also refer to:
Independent Political Labour League, a New Zealand labour party that originated as the Political Labour League Partido Liberal Libertario, an Argentine political party Permutation of Last Layer, a step in solving a Rubik's Cube in the CFOP method Polylysine, a chemical substance Ponta Pelada Airport, a military airbase in Manaus, Brazil Posterior longitudinal ligament, a spinal ligament Premier Lacrosse League, a lacrosse league in the United States started in 2019 Pretty Little Liars (book series), a series of young adult novels by Sara Shepard Pretty Little Liars, a 2010 TV series based on the novels by Sara Shepard Professional Lacrosse League, a former lacrosse developmental league in the United States The PLLs, an Italian Eurodance duo based in Munich
See also
PL (disambiguation) PL2 (disambiguation)