LLS may refer to: LanguageLine Solutions, an American on-demand and onsite language interpretation and document translation service The Late Late Show (Irish talk show), the world's longest-running television talk show Lateral line system, sense organ used by some fish and larval lissamphibians to detect movement and vibrations Leukemia & Lymphoma Society, charitable organization funding blood cancer research, education and patient services Liberal Union of Lithuania, a former political party in Lithuania Light Louisiana Sweet, type of crude oil Linear least squares Lithuanian Freedom Union (Liberals), a political party in Lithuania Longest linear sequence, a concept in synthetic chemistry Loyola Law School, Los Angeles, California Lifelong Learning Service, an online and modern learning service which main purpose is to offer specialized education unlimitless throughout new technologies (in Spanish) Leiden Longevity Study, an observational study Films Laal Singh Chaddha, a 2022 Indian film starring Aamir Khan.