Places beginning with LI in Illinois, United States
- Liberty
- Liberty
- Liberty Hill
- Liberty, Township of
- Liberty, Township of
- Libertyville
- Libertyville, Township of
- Lick Creek
- Lick Creek Election Precinct
- Licking, Township of
- Lick Prairie Election Precinct
- Lidice
- Lightsville
- Lilly
- Lillyville
- Lily Cache
- Lilydale (subdivision)
- Lily Lake
- Lilymoor
- Lima
- Lima, Township of
- Limerick
- Limestone, Township of
- Limestone, Township of
- Lincoln
- Lincoln Election Precinct
- Lincoln Estates
- Lincoln Heights
- Lincoln Hills
- Lincoln Park (subdivision)
- Lincolnshire
- Lincoln Square (historical)
- Lincoln, Township of
- Lincolnwood
- Lincolnwood Hills
- Lindberg Park (subdivision)
- Lindenhurst
- Lindenwood
- Linder, Township of
- Lindskolds Subdivision (subdivision)
- Linn, Township of
- Lintner
- Linview (subdivision)
- Lipsey
- Lis
- Lisbon
- Lisbon Center
- Lisbon North (subdivision)
- Lisbon, Township of
- Lisle
- Lisle, Township of
- Litchfield
- Litchfield
- Literberry
- Literberry Election Precinct
- Lithia
- Little America
- Little Hell (subdivision)
- Little Indian
- Little Ireland (historical)
- Little Mackinaw, Township of
- Little Oklahoma
- Little Rock
- Little Rock (historical)
- Little Rock, Township of
- Little Sicily (subdivision)
- Littleton
- Littleton, Township of
- Littleville (historical)
- Little York
- Lively Grove
- Lively Grove, Township of
- Liverpool
- Liverpool, Township of
- Livingston
- Livingston
- Livingston County