PGL may refer to: Paraganglioma, a type of rare neuroendocrine neoplasm The succinate dehydrogenase SDHD (previously known as PGL1) and SDHC (previously PGL3) Persistent generalized lymphadenopathy PGL (company), UK Polish Aviation Group (Polish: Polska Grupa Lotnicza) Professional Gamers League, former US electronic sports league Projective linear group, in mathematics