IOL

IOL may mean:
 * Iol, an ancient city in Algeria, now Cherchell
 * Independent Online, South African news website
 * Institute of Linguists, UK, now Chartered Institute of Linguists
 * International Linguistics Olympiad, an International Science Olympiad
 * Intraocular lens, eye implant
 * Ireland On-Line, a former internet service provider (ISP) in Ireland
 * The University of New Hampshire InterOperability Laboratory (UNH-IOL), for networking testing
 * Induction of labor, the process or treatment that stimulates childbirth