Linkage may refer to:

• Linkage (album), by J-pop singer Mami Kawada, released in 2010
• Linkage (graph theory), the maximum min-degree of any of its subgraphs
• Linkage (horse), an American Thoroughbred racehorse
• Linkage (hierarchical clustering), The linkage criterion determines the distance between sets of observations as a function of the pairwise distances between observations
• Linkage (linguistics), a set of languages descended from a former dialect continuum
• Linkage (mechanical), assemblies of links designed to manage forces and movement
• Linkage (policy), a Cold War policy of the United States of America towards the Soviet Union and Communist China
• Linkage (software), a concept in computer programming
• Genetic linkage, the tendency of certain genes to be inherited together
• Glycosidic linkage, a type of covalent bond that joins a carbohydrate (sugar) molecule to another chemical group
• Flux linkage, the total flux passing through a surface formed by a closed conducting loop

• Hyperlink