Gallium is a chemical element with symbol Ga and atomic number 31.

Gallium may also refer to:

Gallium experiment, a neutrino detection experiment also known as GALLEX Gallium scan or gallium imaging, a method for the detection of infections and cancers Gallium3D, a software library for 3D graphics acceleration GalliumOS, a Linux distribution optimized for Chromebooks

See also

Galium, a genus of plants Ga (disambiguation) Isotopes of gallium