ILL, or Ill, or ill may refer to:
Places[edit]
- Ill (France), a river in Alsace, France, tributary of the Rhine
- Ill (Vorarlberg), a river in Voralberg, Austria, tributary of the Rhine
- Ill (Saarland), a river of Saarland, Germany, tributary of the Theel
- Illinois (traditionally abbreviated: Ill.), a state in the midwestern region of the United States
- Illorsuit Heliport (location identifier: ILL), a heliport in Illorsuit, Greenland
- Institut Laue–Langevin, a research centre in Grenoble, France
- Willmar Municipal Airport (IATA code: ILL), a city-owned public use airport Roman Tool Crack 22
Other Uses[edit]
- Illness, a generally-used synonym for disease
- Koji Nakamura (recording under the name iLL), a Japanese musician
- Tommy Ill, Wellington in New Zealand based rapper
- I Love Lucy, a landmark American television sitcom
- Interlibrary loan