Linkage might 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), an unclear group of undoubtedly related languages in contact
  • 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
  • Flux linkage, the total flux passing through a surface formed by a closed conducting loop