•
GL, a symbol for
provability logic •
.gl, the country-code top-level domain (ccTLD) for Greenland • \operatorname{GL}(n), the
general linear group of degree n • \mathfrak{gl}_n(F), the general linear
Lie algebra •
Gigalitre (or gigaliter), a metric unit of volume •
Glycemic load, an estimate of how much food will raise a person's blood glucose level •
Graphics library, a program library designed to aid in rendering computer graphics to a monitor • Gl, the element symbol for Glucinium, a historic name of
beryllium == Vehicles ==