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

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 Lee Seon-woo, known as Infiltration, is a professional esports player from Seoul, South Korea, specializing in fighting games. Lee is a six-time Evolution Championship Series (EVO) champion; winning '' Super Street Fighter IV Arcade Edition v2012 ...

(born 1985), professional electronic sports players, specializing in fighting games, who plays under the alias Infiltration * ''Infiltration'' (2017 film), a Canadian film * Infiltration (2022 film), Russian war drama film

Science, medicine, and engineering

Other uses

See also