IKL may refer to:
- Concentration Camps Inspectorate (), the agency that oversaw Nazi concentration camps
- IATA code for Ikela Airport, an airport in the Democratic Republic of the Congo
- Postal code for Iklin, Malta
- Ingenieurkontor Lübeck, a German shipbuilding company
- Ingolstadt–Kralupy–Litvínov pipeline, a crude oil pipeline in Germany and the Czech Republic
- Patriotic People's Movement (), Finnish political party
- Patriotic People's Movement (1993) (), Finnish political organisation