Infiltration may refer to:
Science, medicine, and engineering Infiltration (hydrology), downward movement of water into soil Infiltration (HVAC), a heating, ventilation, and air conditioning term for air leakage into buildings Infiltration (medical), the diffusion or accumulation of substances or cells not normal to it or in amounts in excess of the normal Infiltration/Inflow, leakage of groundwater into sanitary sewers
Art Infiltration (2017 film), a Canadian film Infiltration (2022 film), Russian war drama film "Infiltration" (Star Wars: The Bad Batch)
Other uses Entryism, the infiltration by a political organisation of another, usually larger, organisation In espionage, using double agents to join an enemy organization Infiltration tactics, tactics developed by the German army in early 1915 that broke the trench-warfare stalemate on the western front Urban exploration, exploring parts of towns, etc. which are normally off-limits Infiltration (zine), a popular urban exploration zine/website created by Jeff Chapman (Ninjalicious) Seon-Woo Lee (born 1985), professional electronic sports players, specializing in fighting games, who plays under the alias Infiltration
See also Infiltrator (disambiguation)