Affinity

Affinity may refer to:

Commerce, finance and law

 * Affinity (law), kinship by marriage
 * Affinity analysis, a market research and business management technique
 * Affinity Credit Union, a Saskatchewan-based credit union
 * Affinity Equity Partners, an Asian private equity firm
 * Affinity fraud, a type of scam targeting a specific demographic
 * Affinity marketing, a method of extending market reach by forming partnerships and cross-selling relationships
 * Affinity Partners, an American private equity firm

Religion and belief

 * Affinity (canon law), a kinship arising from the sexual intercourse of a man and a woman
 * Affinity (Christian organisation), network of conservative evangelical churches and Christian agencies
 * Affinity group, a private, non-commercial and non-governmental organisation formed around a shared interest or goal

Science and technology

 * Affinity, the UK's first road-legal solar car, built by Cambridge University Eco Racing
 * Affinity (mathematics), an affine transformation preserving collinearity
 * Affinity (pharmacology), a characterisation of protein-ligand binding strength
 * Affinity (sociology), a shared interest and commitment between persons in groups and/or willingness to associate
 * Affinity (taxonomy), a suggestion of common descent or type
 * Affinity chromatography, method of separating a biomolecule from a mixture
 * Affinity electrophoresis, general name for many analytical methods used in biochemistry and biotechnology
 * Affinity laws, laws used in hydraulics to express relationships between variables involved in fan or pump performance
 * Binding affinity, a measure of the interaction of ligands with their binding sites
 * Chemical affinity, used to describe or characterise elements' or compounds' readiness to form bonds
 * Electron affinity, energy released on formation of anions
 * Processor affinity, a computing term for the assignment of a task to a given core of a multicore CPU
 * Serif Europe's Affinity series of programs
 * Affinity Designer, a vector illustration editor
 * Affinity Photo, a raster graphics editor
 * Affinity Publisher, a desktop publishing application

Music

 * Affinity (band), a jazz/rock band
 * Affinity (Affinity album)
 * Affinity (Bill Evans album)
 * Affinity (Haken album)
 * Affinity (Oscar Peterson album)
 * Affinity (EP), a 2013 EP by the English band Press to Meco
 * Johnny Alegre A, a jazz collective based in Manila

Other media

 * Affinity (novel), a 1999 novel by Sarah Waters
 * Affinity (film), a 2008 feature film based on the novel


 * "Affinity" (Stargate SG-1), an episode from season 8 of the TV sci-fi spin-off series Stargate SG-1
 * Elective Affinities, a novel by Goethe

Other uses

 * Affinity (medieval), late medieval retainers of a monarch in "bastard feudalism"
 * Affinity, West Virginia