Trilateral

Trilateral is something having three sides or perspectives and may refer to:


 * Triangle, a geometric figure with three sides and three vertices. The synonym trilateral emphasizes a definition in terms of sides rather than vertices.
 * The Trilateral Ankara cooperation process, a process in Pakistani–Turkish or Afghan–Turkish relations
 * Trilateral Commission, a private organization, established to foster closer cooperation among the United States, Europe and Japan.
 * Trilateral Patent Offices, the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and Trademark Office (USPTO).
 * Trilateral Progression, the fourth album by Neuraxis.
 * Trilateral symmetry, a three-fold form of rotational symmetry.
 * Retinoblastoma is said to be trilateral if it occurs in both eyes and also in the pineal gland.
 * North American Leaders' Summit, or Trilateral Summit, between Canada, Mexico, and the United States
 * Trilateral (album)