Transfusion

Transfusion may refer to:
 * Blood transfusion, the introduction of blood directly into an individual’s blood circulation through a vein
 * Platelet transfusion, the infusion of platelets into an individual's blood
 * Transfusion (journal), a research journal on blood transfusion and related topics published by the AABB
 * "Transfusion" (short story), a 1959 science fiction story by Chad Oliver
 * Transfusion, a port of the Blood video game to the Quake engine
 * Transfusion (band), a Canadian band active in 1968
 * Transfusion, a 2005 album by Cold Blood (band)
 * Transfusion (EP), a 1993 EP by Powderfinger
 * "Transfusion" (song), a 1956 novelty hit by Nervous Norvus
 * Transfusion (film), a 2023 thriller directed by Matt Nable