JLL

JLL may refer to:


 * JLL Partners, a private equity firm, formerly Joseph Littlejohn & Levy
 * JLL (company), global real estate company, formerly Jones Lang LaSalle, with NYSE ticker "JLL"
 * Jangan Lupa Lirik!, a Malaysian quiz show
 * JetKonnect, Indian airline with ICAO designator "JLL"
 * Jerry Lee Lewis (1935–2022), American musician
 * New York University Journal of Law & Liberty, an American Law journal