Support may refer to: Arts, entertainment, and media Supporting character Support (art), a solid surface upon which a painting is executed Business and finance Support (technical analysis) Child support Customer support Income Support Construction Support (structure), or lateral support, a type of structural support to help prevent sideways movement Structural support, architectural components that include arches, beams, columns, balconies, and stretchers Law and politics Advocacy, in politics, support for constituencies, issues, or legislation Lateral and subjacent support, a legal term Mathematics Mathematics (generally) Support (mathematics), subset of the domain of a function where it is non-zero valued Support (measure theory), a subset of a measurable space Supporting hyperplane, sometimes referred to as support Statistics Support, the natural logarithm of the likelihood ratio, as used in phylogenetics Method of support, in statistics, a technique that is used to make inferences from datasets Support of a distribution where the probability or probability density is positive Military Close air support Combat service support Combat support Fire support Psychology Moral support Peer support Social support Support group Sympathy Science and technology Catalyst support, in chemistry and materials science Life support, in medicine Technical support, help for computer hardware, software, or electronic goods See also Support vessel (disambiguation)