GLL

GLL may refer to:


 * Air Gemini
 * Garlali language
 * Good language learner studies
 * Gol Airport, Klanten, Norway
 * Great Lakes League
 * Grand Landlodge of the Freemasons of Germany
 * Greenwich Leisure Limited
 * The Gauss–Lobatto–Legendre or Gauss–Lobatto quadrature scheme