Places beginning with LE in Illinois, United States
- Leaf River
- Leaf River, Township of
- Leamington
- Leanderville
- Lebanon
- Lebanon, Township of
- Leclaire
- LeClaire Courts (subdivision)
- Ledford
- Lee
- Lee Center
- Lee Center, Township of
- Leech, Township of
- Lee County
- Leeds
- Leef, Township of
- Leepertown, Township of
- Leesburg
- Leesville
- Lee, Township of
- Lee, Township of
- Lehigh
- Leisure City
- Leithton
- Leland
- Leland Grove
- Lemens
- Lementon
- Lemmon (historical)
- Lemont
- Lemont, Township of
- Lena
- Lenox, Township of
- Lenzburg
- Lenzburg, Township of
- Leonard
- Leon Corners
- Leonore
- Lerna
- Le Roy
- LeRoy, Township of
- Lester
- Levan, Township of
- Levee, Township of
- Level Acres
- Leverett
- Levings
- Lewisburg
- Lewis Corner
- Lewistown
- Lewistown, Township of
- Lexington
- Lexington (historical)
- Lexington, Township of
- Leyden, Township of